Chris and Mary Beth try to convince a teenage runaway, who's shunned her family's wealth and privilege for a life on the streets, to help them convict her pimp.
Cagney and Lacey feel for the key witness in an upcoming trial, an illegal alien whose reward for his help will be deportation upon the trial's conclusion.
When a lottery jackpot has one more claimant than there should be, Cagney and Lacey try to find out who's got the counterfeit ticket. Meanwhile, the Laceys prepare for an IRS audit.
Mary Beth faces an ethical dilemma when she has to choose between supporting Chris' claims against a known drug dealer, or admitting she knows nothing about it.
A mother's alibi for her son stands in the way of criminal charges, despite other compelling evidence. Meanwhile, Mary Beth's son gets on the wrong side of the law himself.
Chris is accused of being a coward when a robbery suspect eludes her in a chase. Meanwhile, her brother, Brian, comes from California to check on their father.
The new replacement for Mary Beth comes with a history the 14th Precinct doesn't like--he broke the blue wall of silence when other police were taking bribes, and the Desk Sergeant is taking bets on how long his stay with them will be.
An advocate for the handicapped demands something be done about a rash of robberies against the disabled. Chris goes undercover in a wheelchair and finds herself smitten with the activist.
Chris tries to help a West Point cadet who refuses to help himself avoid court martial due to his honor code. Mary Beth receives a visit from her father, who abandoned her and her mother when she was little.
The apparent suicide of a stage actress starts to look like murder when Cagney and Lacey discover everyone involved in the play seems to have a motive.
When a lawyer who has made a living helping his fellow Cambodians winds up murdered, Chris and Mary Beth learn he may have been profitting from misfortunes too much. In the meantime, Chris parts ways with her car.
To find the murderer of a labor leader, Cagney and Lacey must first find out why anyone would want the apparently squeaky-clean man dead. In the meantime, Cagney gets a visit from her niece.
