Classic crime thriller directed by Guy Green and starring Terry Moore and Robert Beatty. When a car occupied by Lewis Forrester and Alison Ford (Moore) plunges off a cliff, it is left to Lewis's brother Tim (Beatty) to unravel the mystery surrounding their deaths. He soon learns that the crash was orchestrated by a shadowy diamond smuggling group that were being targeted in an investigation by Lewis. But when Jill Stewart (Josephine Griffin), a portrait model, is found dead in Tim's apartment, he quickly realises that he may now be in the process of being framed for the murder. Can he track down the people behind it all before it's too late?