 Samantha and Alan are getting married, but William Haskins isn t pleased. He grabs a train south to London and begins shadowing Samantha as she tries to get on with married life. Haskins  attempts to frighten her drive Samantha to desperation, but she s having trouble convincing anyone that she s being stalked. Even her psychiatrist dismisses her concerns as part of her neurosis. As bodies begin turning up, Samantha s story becomes more believable, and her dark secret from the past begins to reveal itself.