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.
Obsessed is a 2009 American psychological thriller film directed by Steve Shill and written by David Loughery. Starring Idris Elba, Beyoncé, and Ali Larter alongside Bruce McGill, Jerry O'Connell, and Christine Lahti, the film follows Lisa Sheridan (Larter), an office temp who develops unrequited feelings for her boss, Derek Charles (Elba), and repeatedly attempts to seduce him. Derek's wife, Sharon (Beyoncé), learns of Lisa's escalating behavior and suspects her husband is having an affair.
