Her husband, Koji, and his wife, Yuka, come to her parents' house to look after her sick father-in-law, Takeru. Her husband returns to work, and Yuka, who is left behind, looks after him while hiding certain feelings. Yuka still loves her widowed wife, and has feelings for her father-in-law, who works so diligently. Not as her father-in-law, but as a man... Then, Yuka receives a phone call from her husband's lover saying, "I want to break up." She can no longer suppress her feelings for her father-in-law, and runs out of the house in a fit of emotion...