Newlyweds Hitomi and her husband move to a rented home in Tokyo with the watchful eye of his father-in-law. While the couple seeks peace from persistent harassment by the ex-boyfriend—who manages to track them down and force his way into their sanctuary—the situation quickly escalates. The unwelcome visitor relentlessly pressures Hitomi to satisfy his escalating sexual desires right there in their new residence.
The patriarch witnesses every demanding moment of this unwanted visit. Seeing his daughter-in-law pushed to her limits ignites a long-suppressed lust within him. The tension builds until evening falls; once the son is finally asleep in his room,
the father-in-law makes his clandestine entrance. Driven by primal urges he can no longer contain, he sneaks up on Hitomi for an intimate encounter of his own. This unexpected twist delivers a shocking climax to the domestic drama, leaving viewers breathless with anticipation for what comes next.