When falling down a trap door brings him face-to-face with Tora, the tiger demon his ancestor trapped centuries ago, Ushio's forced to form an uneasy alliance with the creature to defend the world from a cavalcade of supernatural monsters. Joined by Ushio's friends, Asako Nakamura and Mayuko, Ushio and Tora are forced to put their differences aside to defeat adversaries scheming to take over the world.