A mother protects her stepdaughter after the teenager witnesses the murder of her best friend, but is soon forced to come to grips with the terrifying possibility that her stepdaughter may be the real killer.
IMDb is going to the Academy Awards! Visit our Oscars guide to learn more about this year's contenders. Check out red-carpet photos, videos, nominees, and more. Join us on Sunday, March 4, for the IMDb LIVE Viewing Party on IMDb.com at 7:30 p.m. ET/4:30 p.m. PT.