A group of salacious students party aboard a luxury yacht only to turn on each other as a 9th PASSENGER picks them off one by one. A group of salacious students party aboard a luxury yacht only to turn on each other as a 9th PASSENGER picks them off one by one. A group of salacious students party aboard a luxury yacht only to turn on each other as a 9th PASSENGER picks them off one by one. A group of salacious students party aboard a luxury yacht only to turn on each other as a 9th PASSENGER picks them off one by one.