I can't tell my husband that my father-in-law impregnated me... -I was creampied over and over again on a two-day, one-night trip to a hot spring. - Ichiki Mahiro - Mahiro Ichiki

The movie revolves around a complex and taboo relationship between a daughter-in-law and her father-in-law. The title suggests that the daughter-in-law becomes pregnant after being intimate with her father-in-law during a trip to a hot spring. The story explores themes of forbidden love, loneliness, and the consequences of their actions. The central dramatic tension arises from the secrecy and guilt surrounding their relationship, as well as the potential repercussions on their family dynamics.