A group of teenagers get into an argument while driving through the woods late one Halloween night. They accidentally hit and kill a man. To cover it up, they dispose of the body. The following year on Halloween, they are stalked and attacked by a masked killer who is revealed to be the son of the man they killed. He seeks revenge on them for killing his father. In a confrontation, he tells them he has achieved his goal of making them pay before leaving them to deal with what they have done.