Masami is the father of Taeko and a corrupt police officer. He takes bribes and loans money from Yakuza, but when the time comes to pay them back, he begs for more time. With no other choice, he turns to robbery and other crimes. He alienates his daughter by putting a hidden camera in her room. He says he has no more chances of advancing in the force, and in order to make the life of his family he turns to mugging. Eventually, he starts taking drugs in order to cope with the immense pressure. One evening on a way home, Hirukawa gets a chance to catch "Shonen Bat".