The Sweeney - Season 2 - Eps 1: Chalk and Cheese
Giles Nunn and Carrie Selhurst are an upper crust couple who, partly for kicks and for the profits, commit highway robbery in lonely country lanes, along with the lower class boy Tommy Garret, whose dad is a friend of George Carter. Regan is on to them and Carrie gets arrested, but her unwillingness to cooperate leads to the death of the next victim.
About The Sweeney

Title: The Sweeney
First Air Date: 1975-01-02
Last Air Date: 1978-12-28
Status: Ended
Rating: 7.7/10 (from 22 votes)
Language: EN
Seasons: 4
Total Episodes: 53
Network: ITV1
Genres: Action & Adventure, Drama, Crime
Production Companies: Thames Television, Euston Films
Synopsis
Jack Regan, an unethical officer of the Flying Squad, uses unorthodox methods to pursue criminals with the help of his partner, George Carter.
Cast

John Thaw
Det. Insp. Jack Regan

Dennis Waterman
Det. Sgt. George Carter