Husband and wife, Reika and Koji. They live a quiet life in their suburban home, but behind their facade lies a shocking secret. In truth, Reika and Koji are mother and son, living together as a married couple. When a doctor discovers their hidden relationship, he begins making sexual advances toward Reika. Amidst this turmoil, will the two stand by their love and fight against this sin that even God would condemn? The battle for love and justice, surpassing the boundaries of mere adultery, begins here.