Police superintendent Kuraki investigates a killer's existence alongside detectives Osugi and Miki after losing his wife in a bombing tied to a secret mission that shakes the nation, with Miki holding the key to solving the incident.

Kuraki (Hidetoshi Nishijima) is a police superintendent. He lost his beloved wife in a bomb incident. Kuraki, Detective Osugi (Teruyuki Kagawa) and Miki (Yoko Maki) from the Secret Police discovers the existence of contract killer Mozu, a tragedy caused by a secret mission by public security and a scheme which shakes the nation. Miki also holds the key to solve bomb incident.—AsianWiki