Kubozuka Yosuke and Kamenashi Kazuya play the roles of an avenger duo tied to their dark past. They are not champions of justice, moral teachers, or preachers. Instead, they are professional avengers.

A depressed ex-boxer (Yosuke Kubozuka) self-medicating for the injuries that ended his career finds a stray cat that brightens his day, but she is snatched up by a comical grungy mechanic (Kenji ...