In the 1950s, night sex was rampant in rural areas. Momoka, a charming and chaste married woman from the city, receives a night sex baptism while her husband is away working. A local young man makes her stay up all night, and the village headman ties her up and then forces her into him. She is toyed with and raped, and the Showa woman's body ends up screaming in agony as a penis is rammed into her.