Hiro learns who the man in the Kabuki mask is, but it's not Callaghan. Nor is it Krei. It's Tadashi. And Hiro isn't exactly pleased. Rated PG-13

Tadashi has been dead for two years now. Hiro and that gang are still the amazing vigilante hero's of San Fransokyo. There's a new evil plan cooking with a new masked villain in the city causing mayhem. New threats are revealed and the team wonders if this is something above their ability to fix. But when the masked villain is revealed, Hiro for once in his life doesn't know what to do.

The Big Hero 6 gang was relieved when Callaghan was put into jail, but now relieved doesn't even come close to describe it. Callaghan's back, and this time he has help from a familiar someone... Now the gang has to face what might be the most dangerous mission ever. Who's the mysterious helper? Will the gang be able to find out!? Will they even make it...?

The guy in the mask isn't Keri or even Callagan but Tadachi....