nFour teens fight to outsmart a killer who intends to avenge a young boy's death in this suspenseful thriller that inspired the classic horror film. nAfter a party, four teens are in a hit-and-run accident that results in a young boy's death. Unable to deal with the consequences, they leave the body behind and make an anonymous phone call to the police, tipping them off. nThe group makes a secret pact to bury the memory of that night and never speak of it again, but when one of the girls receives a note that reads I know what you did last summer, their dark lie is unearthed. With twists and turns at every corner, they'll have to fight to stay steps ahead of a killer determined to make them pay.