An elite office worker who works in Minami Aoyama during the day, an assassin who aims at his target at night, Tatsuya Kano, a man with two faces, day and night! One night, Tatsuya assassinated Gohda, chairman of the Miematsu Federation, at work. The next day, he receives a call from his partner, Yuka, saying that "a world-famous terrorist, Jo, is after Tatsuya's life." Goda's daughter, Misako, has hired a terrorist to avenge her father's murder. Set in the gigantic Prince Hotel where Jo is hiding, a harsh psychological warfare between assassins is about to begin...! An office worker and an assassin, a brainy violence action of a man with two faces.