A Certain Killer (Japanese: ある殺し屋, Hepburn: Aru Koroshiya) is a 1967 Japanese crime suspense film directed by Kazuo Mori.[3][4][5] Screenplay by Yasuzo Masumura and Yoshihiro Ishimatsu.[6][7] It stars Raizō Ichikawa.[8] The film was adapted from the novel Zenya written by Keishi Nagi.[9] A sequel, Aru Koroshiya no Kage, was released in the same year.[3]
Shoizawa is working as a chef at a small restaurant but it is a cover for who he really is. He is an assassin who takes charge of killing people with money. One day, he is asked to murder Owada, the boss of the yakuza clan, for 20 million yen.