New investigator, Etou Kai and Kurabayashi Haru, along with the unique bosses and colleagues are involved in the seizure of drug addicts, and smuggling. Their investigators, for crimes including drug arrests and raids, with nearly equal rights with the police. In addition to the police investigation and not decoys, and the full use of undercover investigators, hunt down criminals while sometimes exposed to a hazard.

Once the Japanese withdrew from the syndicate in China, began working in Japan again. While to investigate, eventually “switch” the word emerge. It was 16 years ago, had disappeared along with the name of a drug investigation of any article …