Obsessed (2009) is a psychological thriller that follows Derek Charles (Idris Elba), a successful businessman, whose life is disrupted when an obsessive temp, Lisa (Ali Larter), attempts to seduce him. Despite Derek’s clear rejection, Lisa continues to stalk him, leading to escalating tension and danger. His wife, Sharon (Beyoncé Knowles), becomes suspicious and must confront the dangerous situation. As Lisa’s obsession grows, Derek’s professional and personal life are put at risk. The film explores themes of infidelity, obsession, and protection of family. With intense confrontations and a thrilling storyline, Obsessed delivers a suspenseful and dramatic experience.