Mike helps a minister find his runaway teenage daughter who was lured to Philadelphia by an online child predator.
Mike comes to regret helping a gambler who owes money to a bookie; Marcellus requests his old partner's assistance in apprehending a suspected killer.
Olshansky picks up Jeanine Adams and her daughter and takes them to a shelter. Jeanine tells Olshansky her cop husband has abused her. Olshansky calls on Marcellus Washington for help but Washington believes Jeanine's husband is innocent.
Olshansky picks up a hysterical man who claims his former business partner, Boone is out of prison and he fears he will harm him. When Olshansky intervenes, Boone files assault charges against him.
Vanessa Griffin's wants her brother Teddy to get off drugs and asks for Olshansky's help. Olshansky agrees to help but gets involved with a violent drug gang when Teddy steals their drug stash.
A shady nightclub owner offers Olshansky a job as his driver. Olshansky reluctantly agrees. The financially strapped hack eventually gets involved in collections for his loan-shark boss. He struggles with ethical issues.
Subsequent to an investigation into the case of a bookie whose wife and lawyer claim they are being framed, all are not as they seem. Olshansky is aghast to discover that Washington planted evidence in a faulty report.
When a homeless man dies in his cab, Olshansky sets out to find the man's estranged family.
After reluctantly picking up Chuck, a frantic naked fare, Olshansky agrees to help him track down the hooker who stole his wallet, clothes and, most importantly, his wedding rig. but the hooker's pimp has already gotten the ring from her.
Olshansky goes through a series of tribulations while attempting to return $10,000 in cash he found in the backseat of his cab. He runs into a woman who is being blackmailed for the same amount and he offers to help.
Olshansky meets Abby Banks, who claims she's being chased by a stalker who's been after her for two years and three cities. Abby hires Olshansky to guard her, but a Chicago cop who also protected Abby reveals there may not be a stalker at all.
Mike helps a Department of Justice employee whose sister has been kidnapped by a hitman who wants information about a banker in the Witness Protection Program who is scheduled to testify against the drug dealer whose money he laundered.
Mike investigates a friend's death, believing it's not the hit and run that it seems, and runs afoul of Marcellus' new partner, Aldo Rossi.
Mike Jr. finds the divorce papers of his parents. Badakian the IAB cop who is responsible for Olshansky being suspended and under indictment and now is looking at Washington stops at a store and his son is shot while waiting outside. Badakian asks for Olshansky's help when the shooter gets released after the sole witness against him is killed.
Olshansky is taken hostage by the brother of a man on death row. He is threatening to execute Mike if his brother is executed.
Romantic feelings resurface between Olshansky and his high school girlfriend as he reconnects with her while trying to help her schizophrenic sister.
A 2-time convictee witnesses a muder while committing a burglary. He can't come forward when the wrong person is arrested without implicating himself in a crime, so he enlists Mike's help.
Olshansky takes a man to the hospital, was mistreated. Heather witnesses the doctor changing the records to cover up his mistake.
Olshansky sets out to prove that a man he helped convict years ago is actually innocent.
Mike gets closer to his dying father. Grizz contemplates leaving the priesthood because of his affection for Beth. Mickey acts distant towards his Mom's (Heather) new boyfriend.
Marcellus is accused by junkie woman of stealing money. Olshansky checks if it is true.
Mike helps Marcellus find the killer of his past informant, while Marcellus helps resolve Mike's felony charges. Mike helps Mikey make the adjustment to his new life with Heather's future husband.
