When a young woman who works a s a stripper leaves her phone in Mike's cab, he tries to return it. When he discovers the woman is missing, he takes it on himself to find her.
Mike discovers that his godson, an Iraqi War veteran with PTSD, is threatening to commit suicide. Mike does what he can to change the young man's mind.
Jamie and his friend are beaten up for reason's Jamie doesn't understand. When his friend tells Jamie not to report the incident, however, things become clearer.
A young woman is found raped and murdered in a park, and Mike's phone number is written on her hand. Mike has no idea who she is, but he knows someone who does.
Marcellus follows up on the case of 12-year-old Cal Milton, who is now suffering at the hands of bullies in foster care after Marcellus saved him from his drug-addicted father.
When Jamie discovers that his father is having an affair, he is devastated. His father promises to end the tryst, and soon afterwards the woman in question is found murdered.
Mike discovers that Marcellus' story doesn't add up when he claims to have been set up for the murder of informant Tammi Anderson. Mike decides to dig deeper.
Three drug dealers come forward to testify that Mike and Marcellus stole from them, just days before Mike's trial begins. Mike decides to investigate his ex-partner.
Mike struggles to put his feelings aside as he cares for his dying father, who, with a push from Faith, also makes an attempt for a peaceful end to their strained relationship.
Olshansky takes a man to the hospital, after his previous treatment was botched. Heather witnesses the doctor changing the records to cover up his mistake.
A two-time convictee witnesses a muder while committing a burglary. He can't come forward when the wrong person is arrested without implicating himself, so he enlists Mike's help.
Mike agrees to help out an old friend's schizophrenic sister who is convinced that someone is chasing her. He soon finds out she might not be as mistaken as they thought.
Olshansky is hailed by Justice Department employee Jody Lincoln, and learns her sister has been kidnapped by a hit man seeking information on a witness under Federal protection.
When a young woman asks Olshansky to protect her from a stalker, he agrees without question. Soon a Chicago cop contacts Olshansky, revealing there is far more to the story.
When Olshansky finds $10,000 in the back of his cab, he struggles with what to do with it. When he encounters a woman being blackmailed for same amount, he offers to help.
After reluctantly picking up the frantic, naked fare Chuck, Olshansky agrees to help him track down the hooker who stole his wallet, clothes and wedding ring.
After a homeless man dies in Olshansky's cab on the way to an unknown location, Mike decides to do everything he can to get word of the man's death back to his family.
Olshansky is disgusted to discover that Washington has planted evidence to fix the case of a bookie whose wife and lawyer are claiming that he framed them.
Olshansky reluctantly agrees when a nightclub owner offers him a job as debt collector for his loan-shark boss. They pay is good, but Olshansky soon struggles with ethical issues.
Vanessa Griffin wants her brother Teddy to get off drugs, and asks for Olshansky's help. Olshansky agrees to help, but soon finds himself up against an entire violent drug gang.
Olshansky picks up a hysterical man who claims his former business partner is intending to attack him. When Olshansky intervenes, the business partner files assault charges.
Olshansky picks up Jeanine Adams and her daughter and takes them to a shelter. When Jeanine tells Olshansky her cop husband has abused her, Olshansky decides to act.