Elizabeth Lange is still reeling from the death of international film starlet Leila De Salle, her beloved sister. In the frame for the killing is Leila's handsome, famous fiancee Ted Winters. Before the trial in which she is the chief witness, Elizabeth decides to take a break and relax in Pebble Beach, an exclusive Californian spa. She made the wrong decision. Before too long, from all around her, people begin to emerge - people who all had cause to hate, and maybe even murder, her sister. Elizabeth realises her idyllic vaction is about to take a horrifying turn for the worst - and that someone is out to shatter the peace and quiet by silencing her forever ...