Captivated by Meisa's beauty and voluptuous body, Koichi broke up with his ex-wife. His son Kazutaka hates his father for driving his mother away and Meisa for causing it. Unaware of his son's feelings, the newlyweds repeatedly display their affection in front of his son. Even though the son has not been able to forget his biological mother, he is disgusted by his stepmother's defenseless exposure of her skin, and the pent-up anger explodes...