A middle-aged man who had lost his wife and was living quietly alone is visited by a young girl to say hello as she moves out. Having various problems at home, she turns to the middle-aged man for Kokoro. One day, after being raped by her father, she heads to the sea that the middle-aged man had told her about... The love between the middle-aged man and the young girl, which transcends their ages, is sublimated into a relationship between man and woman.