A timid woman who fears men is rescued from harassment during rush hour by a gentle, handsome stranger. Relief turns to surprise when she discovers he is the instructor of the cooking class she plans to join. Reassured by his calm demeanor, she lets her guard down until a bite of alcohol-filled chocolate flips a switch. His hidden sadistic side awakens, and what began as safety and trust spirals into a dangerous, intoxicating game that slowly draws her in.