Liebe ist kälter als der Tod (1969)

Unusual gangster story, in which a small-time pimp Franz, who is torn between his mistress and Bruno the gangster sent after him by the syndicate that he has refused to join. Things are turned on their head when Franz and Bruno become friends, to the point that they even share Franz's girlfriend Joanna. But Joanna soon becomes bored of Bruno, and when he plots a bank robbery, she reports it to the police before Bruno's scheme to kill her can succeed. Bruno is shot dead by the police, but the lovers manage to escape.