Kokoro, who was married to a kind husband and living happy days. But one day, her husband's father, who had been out of contact, visited. The husband resented his father for abandoning his mother and causing nothing but trouble. However, Kokoro, being kind-hearted, couldn't leave her father-in-law, who had nowhere to go, alone. She decided to let him stay for a week. But that was the beginning of the mistake...
