The Sasaki family is as elite as it gets, and one of its members, Tetsunosuke, has joined the Shinsengumi. He would have joined the Mimawarigumi, a police force with pedigree, but he is considered a troublemaker, which is why he was sent to the Shinsengumi. Kondo assigns Tetsu to Hijikata as an assistant, so Hijikata is forced to endure the new recruit...