Classic Otto Preminger thriller from 1952 starring Robert Mitchum and Jean Simmons. Arriving at the scene of the mysterious death by gassing of Mrs Tremayne, ambulance driver Frank Jessup (Mitchum) meets her alluring stepdaughter, Diane (Simmons). Falling under her spell, he soon becomes Diane's chauffeur. but begins to suspect that he is getting into danger and attempts to free himself from her grasp. Diane, however, has other ideas.