Keiko (Akari Mitani), a devoted wife caring for her hospitalized husband, accidentally has her former boss, a man, admitted to the next bed. Keiko, who harbored feelings for him before marriage, begins to feel lust. Ignoring her husband's deteriorating condition, she is eventually seduced in the sickroom. Day after day, her body is eroded by his forceful temptations. Even as her female instinct to conceive is awakened...