John Gilling directs this British crime thriller starring John Bentley and Rona Anderson. Freelance photographer Barbara Leyland (Anderson) is working for Clayton Advertising when the company MD's wife falls to her death in an apparent suicide. However, someone believes Barbara may have photographic evidence that reveals the real killer and sets about making her disappear. Detective Pete Fleming (Bentley) is hired to investigate the mysterious death and is determined to find the killer before Barbara is the next one to meet an unfortunate fate.