The Sleeper

The Sleeper is a 2012 American slasher film written and directed by Justin Russell. In 1979, a mysterious figure known as The Sleeper breaks into a bedroom in the Alpha Gamma Theta sorority house, killing one resident with a hammer. Two years later, the sorority hosts a party to welcome new pledges, prompting the return of The Sleeper, who begins stalking and murdering the girls at their most vulnerable. As Detective Drake investigates the murders, he follows a trail of clues that lead him to an old storm cellar where the killer is hiding. In the end, Amy, a pledge, discovers the killer's lair and kills The Sleeper in self-defense.