What's happening?

The Sweeney: 3x10

Payoff

Carter is asked by an old flame, Shirley Glass, to try and help her locate her partner Eddie, who has gone missing. Eventually Eddie, a small time crook, is discovered dead. Shirley works as a croupier for the smooth Arnold Drake, whom Regan and Haskins suspect of large scale misdemeanours, and they use Shirley and Carter as bait to trap him.

The Sweeney: 3×10
Nov. 29, 1976