00001201 Derek Charles (Idris Elba), a successful asset manager who has just received a huge promotion, is blissfully happy in his career and in his marriage to the beautiful Sharon (Beyonce Knowles). But when Lisa (Ali Larter), a temp worker, starts stalking Derek, all the things he's worked so hard for are placed in jeopardy. Featurettes. "Playing Together Nicely"; "Girl Fight!"; "'Obsessed': Dressed to Kill"; Subtitles: English, French. 043396272828