Kumiko Andou works as a nurse to support her family and pay off the house mortgage. Her daily life is consumed by the demands of her job, but her presence has an immense, unforeseen effect on her son, Takeshi. Dressed in her nurse's uniform, Kumiko becomes more than just a mother—she transforms into a deeply alluring figure in her son's eyes. Every subtle movement, every casual gesture stirs his emotions. Tormented by her provocative appearance, Takeshi's fantasies grow uncontrollable, pulling him deeper into a forbidden world. And her seductive, lustful smile only intensifies the turmoil within him.