In a residential area, a man is murdered by another man, who broke into his apartment. Sergeant Kizaki, who is working near the area, hears a gunshot and runs towards the apartment. Detective Oomura already is at the scene of the crime.

There were men who were passionate about being samurai. The men became samurai warriors at the forefront of the fierce battle that affected the future of Japan as part of the Shinsengumi...