The devoted widow Kazuko lives with her father-in-law and visits him at the nursing home daily. Her father-in-law has fallen into severe dementia, to the point where he can't distinguish between his wife and daughter-in-law. Kazuko desperately cares for him while struggling to pay for the nursing home. Finally, she gives in to the director of the home. Kazuko's long-suppressed desires burst forth like a dam breaking…
