Protecting the peace of the Edo Period is the fictitious but cool plainclothes detective they call Boss Heiji, Zenigata Heiji. A friend of the people, he hates corruption and will not take any kind of bribe, which means he lives in total poverty and sometimes it takes two months just to come up with the rent. The ones there to help Heiji are his old, but comical friend, Hachigoro and his beloved wife, O-Shizu. O-Shizu, who always sends Heiji off after a "kiribi" (good-luck purification), is the one supporting Heiji and his heart... it is for O-Shizu's sake that he's tried to hold back on his "coin tossing" and be thrifty.