A distorted family portrait, a shocking problem film. The crumbling bond between parent and child. As the son learns of his mother's desires, he gradually becomes unable to suppress them. The father's infidelity haunts them, leading to divorce. Mother, Chiharu, raises her son alone. Being an elementary school teacher, she is serious, stern, and strict. One day, Chiharu's colleague, Sambon, starts visiting the house under the guise of work, and the son witnesses the scene of saliva stretching between their lips. Unable to resist Chiharu's initiative, the son touches himself, eventually seeing his mother as a woman…
