Veteran detective Tokita (Etsushi Toyokawa) and his partner Shiina (Tomoya Nakamura) are an unconventional duo assigned to an international drug-dealing investigation. Satomi (Yoshino Kimura) and Arira (Nana Seino) end up in a surprising state in the dispatch room. Meanwhile, Isayama (Goro Kishitani) and Ichijo (Amane Okayama) are criminals who have to deal with the cunning Mari (Yukino Kishii).

Detective Tokita and his partner, Shiina, miss an important suspect. Tokita pursues a street musician, but she causes trouble that leads to a brawl between the Yakuza and Chinese mafia! Misato and Arira chase after Yotsukado and Tokita, but get sidetracked. A pair of detectives who will be fired if they don't catch a Yakuza boss and out-of-control female officers, create suspense and comedy!