Swank Motion Pictures, Inc.

Briana Evigan, Leah Pipes, Rumer Willis
Summit Entertainment;
Directed by Steward Hendler
Rated R; 101 minutes; 2009

When five sorority girls inadvertently cause the murder of one of their sisters in a prank gone wrong, they agree to keep the matter to themselves and never speak of it again, so they can get on with their lives. This proves easier said than done, when after graduation a mysterious killer goes after the five of them and anyone who knows their secret.