A little girl appears to have been molested by her babysitter, but the girl's father doesn't want her to testify, not because he's a bad guy, but because he doesn't want her to face a trial

Cagney and Lacey try to nail drug dealer Mansfield. But their case rests on Chris' unsubstantiated conversation with him. Mary Beth would rather go bowling than lie, but she has to stick up for Chris.

In a self-referential show, the 14th is visited by a TV star, ""Detective Deedee,"" who has permission from the brass to learn how real policemen work. She especially wants to learn from Cagney and Lacey.

When someone who Petrie held a grudge against is killed, Marcus is the suspect. In the B plot, Chris dates a reporter and discovers that he has a hidden agenda.

Cagney, now a Lieutenant, re-teams with Lacey, who has left the force, to search for a cache of missing firearms.