Séverine is young and confident and ought to be happy with her boyfriend Tom. But a reoccurring dream makes her doubt the whole relationship. She needs some time by herself, a few days by the sea to think things over. Tom gets drunk at a bar and meets a guy who offers a questionable solution to his problem. The perfidious plan: to ambush her on her way to the sea and send Tom to her rescue to make him her ultimate hero. Upon her departure everything goes according to plan. She is being followed but, shortly after, can shake off her pursuers.

But then things start to go wrong. Unfortunately, her car dies down in the middle of the woods. She goes looking for help and discovers an abandoned mansion. Desperately needing a telephone, she climbs in through the window. When her pursuers suddenly appear, she hides and becomes a witness to a gruesome scene. They spot her. And start to hunt her down. While Séverine is running for her life, a sick game unfolds about fear, unfulfilled desires and the search for true love.