Depressed and in debt, Santoshi tells his young daughter that he is going to find an infamous serial killer and collect a reward. However, when Santoshi disappears without a trace, she starts to fear the worst and begins searching for him.
Akemi is unable to get over the death of his girlfriend, but a book leads to his encounter with Akane, a woman with a wonderful smile. He gradually falls for Akane, who soothes him with her positive outlook and cheerful disposition, but Akane has a boyfriend who has a limited amount of time left to live.
