The Angels pose as models and uncover prostitution and murder at the Woodman Agency. Kris, Kelly and Bosley confront John Woodman at a party, and police woman Julie joins the team.
Kelly is thought to be the orphaned daughter of wealthy hotel owner, Oliver Barrows, whose search for his "Margaret" ends when the resemblance between Kelly and a huge oil portrait of Barrows' deceased wife is indistinguishable. Kelly is suddenly heir to the massive Barrows fortune, including the stately Barrows Hotel, which was scheduled to be donated to the city if no heir were found. Barrows' nephew and accountant Glenn is involved with Vegas types who hold $1 million in options on the hotel and the surrounding land. Glenn stands to make millions if the deal is pulled off and one step towards that assurance is the elimination of Oliver Barrows by poisoning. Kelly resists signing any papers concerning the estate until the Angels investigate her sudden windfall. Kelly is attracted to attorney William Cord, who explains the computer research used to find her. After a tryst, they profess love for each other but when Kris questions Cord, they develop affections and Cord professes his love for her also. As the option deadline nears, Glenn schemes to eliminate Kelly by draining her car's brake line. She miraculously survives the harrowing drive down San Francisco's hills and is hospitalized. Cord is forced to admit his affair to Kelly and Kris, creating friction between them. But when Cord realizes and confronts Glenn about his investment in the land options scheme, Glenn Must dispose of Cord. Tiffany suspects foul play and discovers that Glenn programmed the computer system to locate Kelly, and she finds a link between Glenn and the options deal. With this information, Kelly confronts Glenn, who admits his murders and land scheme while the Angels listen in. They move in to subdue and apprehend him as he is about to kill Kelly. The friction between Kelly and Kris subsides and they are reunited.
After a number of attempts on the Angels' lives, Charlie hires Antonia Blake to protect them. Toni's boys (Bob, Matt and Cotton) are expert detectives but the Angels resist their orders to stay undercover and not venture out of Toni's mansion. Racketeer Danny Flores is tipped off to the presence of an investigation in which Tiffany figures prominently. They are sleuthing his modeling agency so he captures her in hopes of drawing the other Angels around. The guys uncover Flores' winery, a front for a scheme to infiltrate an elite gathering but Flores recognizes Kris and Kelly as hostesses at this affair for the rich, and in an effort to save them, Toni's boys are forced to blow their cover. Flores' men overcome the guys and then proceed with their original plan to seal the Angels behind a brick wall where they will suffocate. Toni's boys storm the hacienda and wine cellar.
When three unsuspecting investors are bilked by racketeer, Harley Dexter, the Angels scheme to con Dexter into returning the money. Kelly persuades Dexter to use laundered syndicate money to buy her truckload of Mayan artifacts; Kris works an ingenious switch of her worthless Rolls Royce for Dexter's Rolls and Tiffany poses as a Senator's aide demanding payment to stop the Senator's investigation of Dexter's syndicate ties. Dexter is ruined when the syndicate realizes that the Maya artifacts are phony. Kris Rolls Royce is junked and the Senator arranges a Grand Jury injunction against Dexter. The original investors receive their money and Dexter is last seen being cornered by his syndicate ties demanding their money.
When a Congressional witness is found dead, the Angels investigate plastic surgeon Paul Redmont's association with racketeer Vern Maddox, who they learn wants plastic surgery to change his identity. Kris and Bosley pose as a couple seeking cosmetic surgery for Bosley, while Tiffany gathers information posing as a nurse. Redmont's girlfriend and former revolutionary, Barbara Brown, arranges for Maddox's surgery. But when nurse Elena discovers Maddox's true identity as the million dollar swindler of government pension funds, Barbara kills her. Barbara then forces Tiffany to replace Elena during the surgery of Maddox and she blackmails Redmont into completing the operation. The other Angels burst into the operating room where they subdue and apprehend Barbara and Maddox and inform Redmont that his very professional work almost changed their suspect's identity.
Jill Munroe is taken hostage when she accidentally stumbles into a gas station robbery. Convict Sam Mason and his sons, Clint and Harley, escape into the desolate desert hills keeping Jill tied in the back of their getaway van. Tiffany researches the geography of the highlands and discovers an old road overlooked by the search party. Hampered by wind and rain, Kris continues to lead the search for her sister when they find indications that the convicts are nearby. Jill befriends the retarded Harley who retaliates against his cruel father by battering Sam unconscious -- saving Jill from certain death. Jill sees that Harley receives special attention in the best institution for the mentally handicapped.
When Starrett Electronics is the victim of a second large heist, Paul Starrett's insurance company insists he have additional help for Joseph Harrigan, a bumbling, disheveled private investigator covering the case. The Angels investigation develops leads and they question photo engraver Belkin materials and shipper Felber, who both have police records linked to Starrett. Kris and Harrigan figured out the heist method but Starrett has already ordered them killed. The Angels confront and arrest Starrett for robbing his own business. They then rush to Harrigan's apartment in time to capture Felber and Belkin attempting to kill Harrigan.
A dance marathon with $5,000 in prize money attracts Joe and Sally Fairgate to compete, but when Sally disappears, Joe enlists the Angels' help in finding her. They investigate and question suspects, promoter P.J. Wilkes, investor Al Norman and leading dance couple, Steve and Jenny. Bosley discovers that Norman is a small time racketeer and Steve is a convicted hood from New York. The Angels approach the suspects to find motives for Sally's murder, making Wilkes and Norman very nervous. But when dance band singer, Billy, is found dead after an altercation with band leader Elton Mills, Kelly mistakenly confronts Mills, who confines her until he can kill her later. Wilkes and Norman admit moving Sally's body after Mills killed her. The Angels busy themselves searching for Kelly. She escapes from Mills and following a brief shootout, he is captured by the Angels, ending his attempt at a comeback as a dance band leader.
When a wealthy Beverly Hills couple is robbed of valuable Egyptian art treasures, the Angels suspect the dapper real estate baron, Barry Kingsbrook. Kris infiltrates the Kingsbrook Agency as an agent and the Angels set up a phony house listing to lure Barry to Tiffany's supposed priceless collection of revolutionary period letters. Barry sets a deal with Bosley who poses as a wealthy collector willing to buy letters. Barry's assistant, Tina, tells him that Kris is a plant and while Tina shows Tiffany's house to prospective buyers (including the thieves) Barry takes Kris to his house where he attempts to drug her drink. The Angels capture the thieves and persuade Tina to tell where Kris is located. As the Angels arrive at Barry's house, they find that Kris has beaten Barry into confessing his role in previous thefts for money used to pay his enormous gambling debts.
Tennessean Seth Jeffers follows his girlfriend, Bess Murdock, to Los Angeles and discovers she is acting in porno movies. But when Seth disappears, the Angels are called to investigate. Kelly discovers a showbill with Bess' picture and the producer's name, Joe Willis. Kris approaches Willis and the Angels find and question Bess, who knows nothing about Seth's disappearance. Willis orders the Angels killed and they barely escape death in an auto accident. Kris steals a copy of Willis' movie and upon recognizing the locale, she has police comb the area for Jeffers' body. Bess overhears Willis tell his thugs how to handle police questions about Jeffers. She confronts him, but cannot escape Joe's plans to photograph her own death on film. Kris arrives in time to interrupt the shooting and following a brief shootout, the Angels arrive to apprehend the whole crew. A shaken Bess recuperates and returns home to Tennessee.
Bondsman Harry Silvers hires the Angels to locate accused jewel thief Ray Devlin, who has fled, jumping bail. Using a cover as a wealthy divorcee, Kris is to lure Devlin from an Arizona resort back to Los Angeles. Soon she has Devlin attracted to her jewels and lured by talk of the sale of her Beverly Hills mansion. The Angels set up a phony tour of the house for Beck -- Devlin's partner -- who sizes it up as a robbery possibility. Kris invites Devlin to stay with her during the sale. He agrees, but only if they return by car. The Angels learn that Devlin has a murder-rape conviction and warn her not to continue the plan. Thinking it is the only chance to lure him to LA, she ignores them. Then Beck learns that the house for sale is a phony. Devlin suspects Kris and his suspicions are confirmed when he overhears a call between her and Bosley. Devlin and Beck take Kris out to the desert -- there is a helicopter chase and retreat into a mineshaft. Kris ambushes the unsuspecting Devlin and the Angels arrive to capture the two thugs.
While working on a robbery case, Kelly calls for police assistance when she observes the thieves escaping. A shootout occurs and one of the thieves, Joe Willow, escapes after killing a cop. Sgt. Cates takes his anger and frustration home where he batters his son, Greg. When Kelly realizes that Cates beats his son, she confronts the Sgt. and presses for child abuse charges. Joe Willow's underworld friends, Stone and Burke, observe the welfare court case awarding Kelly temporary custody of Greg while Cates works on the murder case. The thugs kidnap Kelly and Greg and attempt to persuade Cates to drop the search for Willow. Kelly manipulates her telephone answering service to alert the Angels and Cates to her house where she is being held captive. In the ensuing shootout, Kelly and Greg escape and the Angels apprehend the thugs and Willow. Cates admits his problem and is reunited with his son.
While visiting Erica Renny Burke, Tiffany's old college friend, the Angels are alerted to mysterious and sinister occurrences in the Burke mansion. Erica Renny Burke is frightened but her husband, Cliff, admonishes her for being so cowardly. Tiffany has frightening, recurring dreams about a party in which a woman confined to a wheelchair falls down a staircase. When a caretaker relates the circumstances involving the death of Burke's first wife, Madeline, exactly as Tiffany had dreamed, the Angels suspect foul play. One day before Burke's lavish Halloween party, Erica injures herself and is confined to a wheelchair. Cliff is hounded by racketeer George Harper to pay an enormous debt. Cliff covers it, using the estate as collateral. More mysterious happenings lead the Angels to believe that Madeline's spirit is haunting the place and trying to speak to them. They search a dark and frightening passageway. Tiffany discovers evidence implying that Cliff deliberately killed Madeline for her money. They assume he will kill Erica too. At the party at the proper moment, Cliff pushes Erica down the staircase but Tiffany stops her fall. In the melee, Cliff slips and tumbles mysteriously down the stairs ending his life in a broken heap at the bottom. The Angels notice that the presence has disappeared and assume that the spirit of Madeline is avenged and at peace now.
Bosley and the Angels are set to transfer Charlie's 100-foot yacht, "The Wayward Angel," to Miami -- only to find it stolen and mysteriously returned. Bosley finds blood on deck and traces it to Captain Webner. Meanwhile the Angels find a large cache of gold hidden on board. Charlie's designer and boat handler, Pat Justice, is involved with a mercenary and smuggler, Ken Atamien, who has stolen the gold from a South American dictator, General Ranez. Webner tells Ranez of Atamien's scheme of hiding the gold on board ship and the general confronts Atamien. Bosley holds a party on board for security while the Angels search and find Webner and Atamien dead. After contacting the yacht, the Angels realize that Ranez has taken Bosley and Pat as hostages while he has the gold transferred to a shore warehouse, where he attempts to exchange it for money. Bosley maneuvers into the driver's seat of the van and accelerates, causing chaos in the warehouse. Bosley and Pat escape as the Angels and police reinforcements arrive to apprehend Ranez and his cohorts. The gold is returned to South America so Pat's testimony might get her off probation.
The Angels act upon a mysterious telephone call from Charlie to come to a Diablo Island in Mexico. When they are put ashore, Wilson, the boatman, inexplicably leaves, taking their baggage and weapons. The threesome is stranded on the beach Malcolm Case, onetime convict imprisoned on Charlie's testimony, phones Charlie himself, threatening to hunt and kill the Angels one at a time until their boss arrives and exchanges himself for them. Diablo Island, they learn, is a big game preserve and the Angels must be wary of wild animals as well as of gangsters. Tiffany is thought to be drowned after attacking Wilson. Kris and Kelly set snares hoping to trap the hunters. They are successful, killing one of the henchmen. Wilson recaptures Tiffany and leaves her tied in a shack where she is ultimately freed by Kris and Kelly. Case returns to chase the Angels but is killed unexpectedly by a big cat. Knowing they are in danger of seeing Charlie (for the first time)--Bosley sends him away quickly when he arrives for the exchange. They just miss crossing paths.
When two girls from Tiffany's sorority disappear, the Angels find themselves back in college trying to unravel a suspected white slavery ring. English professor, James Fairgate, with a reputation as a womanizer, is considered a prime suspect. So is footballer Steve Fitzpatrick, who harasses sorority women. Kris audits Fairgate's class and cautiously questions him about his possible involvement in the case. Bosley and Kelly pose as pro football scouts also to question Steve. Tiffany escapes an unseen assailant in the locker room but later, she is kidnapped from a party. Satisfied that Steve is not involved, and acting on Kris' information, Bosley and Kelly follow Fairgate to a beach house where Tiffany and the other girls are being held captive. It seems that the sorority housemother, Barbara Kay, heads a white slave trading ring. Tiffany awakens from a drugged stupor and battles with Fairgate and the guards--dropping them all with karate blows. The Angels arrive to apprehend the group including Barbara Kay.