Beyoncé Knowles, Idris Elba, Ali Larter, Jerry O'Connell, Bonnie Perlman, Christine Lahti, Matthew Humphreys, Scout Taylor-Compton, Bruce McGill,
Things couldn’t be better for Derek Charles. He’s just received a big promotion at work, and has a wonderful marriage with his beautiful wife, Sharon. However, into this idyllic world steps Lisa, a temporary worker at Derek’s office. Lisa begins to stalk Derek, jeopardizing all he holds dear.