Sophie Meijer is a female student who lives with her older brother Kevin. Their parents died in an accident and they try to make a living together. When Kevin his salary is being reduced, Sophie decides to accept a job as a babysitter at the home of the strange couple Richard and Annette van der Werff. During her first evening, she is confronted with the horrible secret of the couple and their home. Sophie manages to escape and is hospitalized. There, she meets Chantal, the previous babysitter. Meanwhile, three police detectives investigate the mystery and they discover that the nightmare isn't over yet and that both Sophie & Chantal are in grave danger...