One Night Stand

This movie is "One Night Stand" and story line : A married man's reckless decision to cheat during a night out spirals into a deadly nightmare when his mysterious hookup turns out to be a calculated serial killer targeting unfaithful men. As she embeds herself deeper into his life-stalking him, infiltrating his workplace, and getting dangerously close to his pregnant wife-he's forced to confront the consequences of his betrayal before everything he loves is destroyed..