Following the bankruptcy of his household appliances store, Tanigawa Shoji decides to die so that his daughter can benefit from his life insurance. Honda Saki is almost 40 years old when she abandons her singing career which is going nowhere. She is in debt and has lost interest in life. Okubo Yukito works for a bad junk dealer and, to make ends meet, sees stolen kerosene. Shoji meets Saki on a suicide forum and asks her to kill him. He cannot commit suicide because her daughter would lose the insurance premium. The two are joined by Yukito, who reluctantly accepts to be involved in the murder-suicide. What could go wrong?