Having been kicked out of his apartment and with nowhere to go, Kikuzo visits his son and his wife as a last resort. Due to his own infidelity, this is the first time he has seen his son in over a decade, but with the help of his son's wife, Taeko, Kikuzo ends up moving in with them. However, Kikuzo, who is craving a woman's body, becomes aroused by Taeko, who lives under the same roof as him... One afternoon, he tramples on Taeko's kindness and rapes her.