Seasons & Episode
The Zenigata taken to Abe is informed that Seto (Yasuzo Harada) is the dark beginning of an organization that aims at Kurashina's research data. Seto had a grudge against the Zenigata. When Zenigata knew that the password to unlock the research data had not yet been passed to Seto, he went to Kurashina's house, but after Seto had already ravaged the room. A video is sent from Seto there. Kurashina's sister (Rina Ota), who was abducted, was pictured in it. In order to protect Kurashina's research data and his sister, Zenigata is at the risk of his life.
A large member of the Democratic Party of Japan (Mingo Yamada), rumored to be the next prime minister, is found dead in a toilet on an airplane. By chance, Zenigata and Kunikida, who were on the same plane, began an investigation into the murders from the situation at the scene and the murder weapon left behind. A man who had a connection with the assembly member surfaced while interviewing Morimoto (Keisuke Horibe), Hisada (Hiroshi Takahashi), Tamura (Seki Megmi) and Yoshimoto (Aoba Kawai) of CA. At the end of the day, a new murder case occurs on board.
Inspector Zenigata takes on cases in Japan.