The Black Swan Mystery

In the wake of a murder near Kuki Station, Chief Inspector Onitsura and his assistant Tanna dive into a complex investigation that spans multiple cities in Japan, including Tokyo, Kyoto, and Osaka. The victim, the owner of a mill caught in a labor dispute, raises suspicions toward both the workers' union and a growing religious sect. As the duo navigates the case, the stakes heighten with each new murder. Will they unravel the mystery before more lives are lost?