On a business trip, office lady Mei is forced to share a hotel room with her boss due to budget cuts. The department chief constantly makes lewd advances, pressuring her into physical intimacy during drinking parties. Though Mei, who has a boyfriend, repeatedly resists, she gradually finds herself drawn to his touch and demeanor. Eventually, pleasure overpowers her sense of guilt, and she succumbs to her superior's sexual harassment for an entire night. The encounter ends with him in an abnormal state—ejaculating repeatedly while maintaining a rock-hard erection.