Yuko, who remarried six months ago, is troubled by her relationship with her teenage stepson. Unaware of this, her husband is dissatisfied with their lack of sexual relations at night and plans to get hold of a powerful aphrodisiac and give it to Yuko. However, one afternoon when her husband is not around, Yuko falls ill and mistakes the aphrodisiac for an stomach medicine and takes it. Yuko works hard at housework despite feeling uncomfortable with her body burning hot, but there is no way she can resist the effects of the powerful aphrodisiac that makes even the most passive woman sensitive...