While vacationing in St. Moritz, a British couple receive a clue to an imminent assassination attempt, only to learn that their daughter has been kidnapped to keep them quiet.
Centring on the activities of a gang of assorted criminals and, in particular, their leader – a vicious young hoodlum known as "Pinkie" – the film's main thematic concern is the criminal underbelly evident in inter-war Brighton.
An elderly countess strikes a bargain with the devil and exchanges her soul for the ability to always win at cards. An army officer, who is also a fanatic about cards, murders her for the secret, then finds himself haunted by the woman's spirit.
