Cagney's car (a yellow Corvette) has been stolen and boy is she mad. She doesn't get much help from Mary Beth, who is convalescing at home and considering quitting for good. The good news is that the second half of the sergeants exam has a question about auto theft technique.The episode introduces Hector (El Vengeador). It is later learned that Cagney's nemesis Mansfield had him murdered for his role as a drug informant in the episode ""The Man Who Shot Trotsky

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.

To gain more command experience, Cagney commands the night shift, with its own bunch of wackos. The cop case is a hit-and-run drunken driver. Cagney must convince the driver's girlfriend to testify. This episode is one of the first to talk about Cagney's drinking

In a sequel to episode #75, Mansfield goes on trial. He's done something clever - he's hired David Keeler to defend him. David explains how principled he is. Chris tells him to go to hell.

The detectives go after a corrupt judge. but he has an ""in"" - he's an old friend of Charlie Cagney's. Cagney also has to do the performance reviews, and smoke flies when she doesn't give Lacey top ranking.

A man is murdered, and his girl friend begs the police for help. It's a hard case, since he was in the Federal Witness Protection Program