AllMovie

A friendly reunion at a remote cottage quickly descends into a bloody battle for survival when seven friends are stalked by an unidentified maniac in director Herman Yau's tense run-and-slash thriller. Though their arrival at the scenic island retreat finds the long separated friends quick to reconnect as they prepare for a relaxing weekend in good company, a series of deadly and inexplicable accidents soon leads the rapidly dwindling survivors to suspect that their may in fact be a murderous madman lurking within their ranks.