Hill and Renko arrest a young mother who regularly abandons her two young toddlers and everyone at the station watches with interest as a brutal vice cop is investigated for a fourth time.
Furillo angrily strikes a deal with a dirty cop in order to clear LaRue while Sgt. Esterhaus has second thoughts about his upcoming marriage after his ex-girlfriend shows up.
Hunter finally convinces the department to purchase a new flame-throwing attack tank for his EATers squad only to have it stolen after he leaves the keys in the ignition.
Furillo jeopardizes his promotion with an investigation that may tie the death of a 15-year-old prostitute to a local councilman, and LaRue tries to fund his proposed "saloondromat."
As rumor circulates on the Hill that Furillo will be promoted to division commander, LaRue and Washington decide to liven up the precinct’s annual search for alligators in the city sewers.
LaRue gets in trouble for putting the moves on a beautiful television reporter while Furillo deals with the aftermath of a deadly shootout between the vigilante storeowners and a local gang.
As Furillo tries to calm angry storeowners who feel the police haven't done enough to keep their businesses safe, Sgt. Esterhaus receives a cryptic note from a menacing ex-con.
Furillo not only has to deal with a gang leader who has hostages, but he must also rein in the trigger-happy commander of the precinct's EATers (Emergency Action Team) squad.
Furillo continues to search for the suspect who wounded Hill and Renko even as the two officers deal with a voodoo-spouting woman, and Belker confronts a man who claims he's a vampire.
As Furillo continues to try to exonerate Johnny LaRue, Officer Hill and Officer Belker go undercover in drag in order to catch a rapist terrorizing a local park.
The cops on the Hill face the possibility of an all-out assault from the local gangs after the President cancels his visit and then the electricity goes out and the phones go dead.
As the gang negotiations continue, cop Johnny LaRue gets in trouble after accepting a bribe from a drug-dealing fellow cop, and Furillo's ex-wife is busted for possession of marijuana.
Captain Furillo summons the heads of the various local gangs in an attempt to ensure their peaceful "cooperation" during a visit by the President of the United States.
Captain Frank Furillo of the Hill Street police station has his hands full handling his ex-wife, an explosive hostage standoff, and a shooting that involves two of his best cops.
"Let's be careful out there." So ends each roll call session at the Hill Street station house. As the cops and detectives head out to the streets, Captain Frank Furillo begins the delicate balancing act of providing enough protection for the law-abiding citizens without inciting the neighborhood gangs and local criminal elements who are openly hostile towards any police presence.