Private Hyakunosuke Ogata from the 7th Division and the former Shinsengumi Vice Commander Toshizou Hijikata encounter each other amidst a gang war in Barato. The reason behind this conflict stem from rumors of the Hidoro gang possessing a prisoner's tattooed skin, which prompts the duo to investigate. As they inch closer to uncovering the location of the hidden Ainu gold, they prepare for battle. However, a betrayal occurs, causing both parties to hesitate before making a rash decision.