The Sweeney (1975)

S2E11 I Want the Man

After Regan shares intel about a diamond heist, her snout is kidnapped by the criminals involved. Now, Regan and Carter are on a mission to apprehend the culprits while ensuring the safety of their informant. The duo must navigate the dangerous underworld to thwart the villains and reclaim the stolen diamonds, all while racing against time to rescue their source from peril.