An openly lesbian senior office lady has the malicious habit of capturing new female employees each year and forcing them into lesbian relationships. This year, she targets a straight new OL, establishing a sexual relationship in the office. By chance, a male employee witnesses their acts and is captured by the women. The dominant S-woman attempts to control him through forced masturbation, but becomes jealous when the masochistic woman grows aroused by the man's penis. Enraged, the S-woman punishes the M-woman with a larger strapon, her jealousy intensifying as she slowly breaks her down through cruel, sadistic means. Teasing, humiliation, torture, strapon domination, and the power struggle between women—this is a domination-themed lesbian film centered on control and submission.