Cagney & Lacey - Season 2 - Eps 21: A Cry for Help
The "A" story is that a con man is doing very well, but when he's arrested as he's fleeing, there's nothing of value in his suitcase. The "B" story is that one of the cops working with them, who Mary Beth has known since academy days, is beating his wife.
About Cagney & Lacey

Title: Cagney & Lacey
First Air Date: 1982-03-25
Last Air Date: 1988-05-16
Status: Ended
Rating: 6.902/10 (from 61 votes)
Language: EN
Seasons: 8
Total Episodes: 125
Network: CBS
Genres: Crime, Drama
Production Companies: Orion Television, CBS, Filmways Pictures
Synopsis
Mary Beth Lacey and Chris Cagney are teamed up as NYPD police detectives. Their opposing personalities (one is tough and the other sensitive) mesh to make this one of the great crime-fighting duos of all time.
Cast

Tyne Daly
Mary Beth Lacey

Sharon Gless
Christine Cagney

John Karlen
Harvey Lacey

Al Waxman
Lieutenant Bert Samuels

Martin Kove
Det. Victor Isbecki

Harvey Atkin
Sergent Ronald Coleman