Olshansky's past as a cop returns to haunt him when a small-time dealer he sent to jail returns with a single-minded vendetta against Olshansky and anyone else close to him.
Mike attempts to return a cell phone to a stripper who left the device in his cab. He discovers that the woman has disappeared and fears she's been abducted.
While stuck in a traffic jam, Olshansky recalls getting tangled up with a beautiful, rich woman whose feminine wiles he couldn't resist, despite his instincts. He met her after having helped save her husband from an attempted hit by a hired killer.
As a special favor to Liz, Olshansky helps a newly reformed heroin junkie who is heartbroken because her newborn was kidnapped by her creep of a boyfriend and sold on the black market for $8000.
Olshansky's godson receives a hero's welcome from family and friends when he returns home from serving in the Army National Guard in Iraq. When the young man's war experiences throw him into severe depression, Olshansky tries to help him bounce back.
Jamie and a friend are badly beaten by a group of strangers who assume that the two are gay. Olshansky urges Jamie to report the incident to authorities, but is disappointed by the handling of the case and decides to conduct his own investigation.
Mike's treated as a hometown hero after he fatally shoots a mugger in self-defense. While struggling to come to terms with this unwanted fame, he is served notice that he's being sued by the mother of the man who robbed him.
An assassin with a vendetta against Olshansky returns to Philly and takes Mike Jr. hostage. In exchange for his boy, he wants Olshansky to find a Russian mob boss who's in hiding. Despite warnings not to involve the police, Olshansky summons help.
A young woman is found raped and strangled to death in the park, and the only clue police have to her identity turns out to be Olshansky's phone number written on her hand. Although Olshansky doesn't know who the victim is, he's sure Liz does.
Washington is sad to find that life for 12-year-old Cal Milton hasn't gotten any easier since he was placed in a youth shelter. In another story line, Jamie makes a shocking discovery about an old school friend's spoiled younger sister.
After Olshansky gets ripped off for $84, a small-town cop shows up in Philly to ask the cabbie for help tracking down the thief, who he says is an escapee from a mental hospital who poses a danger to the public. But his story soon proves suspicious.
Jamie is devastated to find that the perfectionist standards instilled in him growing up do not apply to his father, who's having an affair. After Jamie's dad swears he ended the relationship, his beautiful young mistress turns up brutally murdered.
Olshansky tries to save a woman being targeted by a sniper, but the reason somebody wants her dead isn't immediately clear because she's suffering from amnesia. Liz doesn't take kindly to Olshansky's latest fare in need of personal assistance.
After Olshansky rescues a woman from three would-be rapists, she becomes crazed with fear at the thought of what could have happened and goes a step too far in trying to keep the thugs from harming anyone else.
Washington manages to escape a brush with death with only a minor bullet wound, which isn't enough to keep him from helping to catch his would-be assassin. The shooter, it turns out, is connected to a drug ring the partners busted a few years before.
A man is presumed guilty of murdering the wife of a rich real-estate developer even after the charges are dismissed. Wanting to clear his name in the eyes of his family, friends and the public, he asks Olshansky for help finding "the real killer."