Watch on Soap2day. As the end approaches for Japan’s age of military rule, the Tokugawa shogunate brings together a squad of ruthless assassins to defend its representatives in Kyoto. These men were known as the Shinsengumi. Formidable swordsmen with unswerving dedication to their cause, the Shinsengumi think nothing of slashing down their enemies…but what happens when the enemy is the undead?