It starts as a game and there's no end in FRIGHT! A simple prank call turns into a night of person-to-person terror in I Saw What You Did, a movie that dials up the suspense. Teenagers Libby and Kit have found a new way to entertain themselves: by calling up random strangers and tormenting them with a warning: "I saw what you did, and I know who you are." But when a man who has recently murdered his wife becomes their latest victim, the tables are quickly turned and this wrong number may mean that their number is up.