Ichiro Ishikawa

Set in the 18th century, the show follows the Shogun Yoshimune, who likes to disguise himself as a low-ranking samurai and go into his capital of Edo to see the life of the common man, as well as to seek out and punish evildoers who would hurt his citizens. He is aided by Magistrate Oo'oka and a vivacious fireman, Tatsugoro, as well as a rotating cast of other recurring characters. Along with Zenigata Heiji and Mito Kōmon, it ranks among the longest-running series in the jidaigeki genre. Like so many other jidaigeki, it falls in the category of kanzen-chōaku, loosely, "rewarding good and punishing evil."

Mariko is a forensic scientist working at the Kyoto PD Crime Lab. Her credo is “science never lies” and she delves into the truth of the case with her colleagues with their specialized skills and knowledge in forensic medicine, physics, chemistry etc. Mariko’s steadfast belief in science makes her stand against conventional institutional ethics of the police department, diehard detectives averse to scientific investigation and sometimes even with her own colleagues, but she stays faithful to her belief in science and continues to pursue the truth.

Heiji is an undercover policeman in the city of Edo. He possesses a superior skill of throwing coins. When a criminal is caught, Heiji throws coins at the offender and reveals his true identity. Like “Abarenbo Shogun,” “Mito Komon” and “Toyama no Kinsan,” “Zenigata Heiji” is about an official working undercover to catch criminals. The hero was created by novelist Kodō Nomura in 1931.

It is 1845. Toyama Kinshiro is a town magistrate who roams Edo in guise of Kinsan the playboy. In his efforts to keep Edo crime-free, he allies himself with Onna Nezumi, a female Robin Hood. Watch Kinsan unveil his cherry blossom tattoo and bring criminals to justice.

A former psychologist, who has the ability to recognizes lies through behaviour and mimic, now works as a detective. He uses his ability for solving difficult cases.