Karin’s husband unexpectedly brings his boss home. The boss sends him out to buy wine, leaving Karin alone and uneasy. Ignoring her refusal, he pins her down and forcibly gropes her. She wants to escape, but he threatens her husband’s career and crushes her resistance. With no safe way to refuse, Karin is coerced into spending a forbidden night with her husband’s boss in the couple’s own bedroom.