"Don't see my daughter again..." A mother is gang-playd by her daughter's boyfriend in place of her daughter. - Rieko Hiraoka

The movie revolves around a complex family dynamic, where a mother, Rieko Hiraoka, becomes involved with her daughter's boyfriend, Shinji-kun. The title suggests a forbidden relationship, and the subtitle hints at a deeper exploration of the characters' emotions and boundaries. As the story unfolds, it delves into themes of love, desire, and the blurring of lines within familial relationships.