Warning: The following video contains material that may be harmful or traumatizing to some audiences. Inspired by the original “I Know What You Did Last Summer” a group of 5 college students go to check out a house party a week before their graduation to celebrate. Invited by their mutual friend, the group gets into a bizarre situation that night and their other friend Christina disappears. That following Monday before graduation the group begins receiving mysterious threatening letters, they must solve what actually happened before the cops do or they will all be in jail for conspiracy to collectively kill their friend. They begin retracing their steps of that night and finding out things they never knew before about their friend and as well as themselves.