Clive Owen and Jennifer Aniston star in this sexy thriller as unhappily married strangers who become lovers after a chance meeting on a Chicago commuter train. The affair attracts the attention of a mysterious blackmailer (Vincent Cassel) who demands$100,000 to keep his mouth shut. Unable to pay and afraid to call the police, Owen takes matters into his own hands, determined to stop Cassel before anyone gets hurt. With Melissa George. Unrated version; 108 min. Widescreen; Soundtrack: English Dolby Digital 5.1; Subtitles: Spanish.