Following the events of Age of Ultron, the collective governments of the world pass an act designed to regulate all superhuman activity. This polarizes opinion amongst the Avengers, causing two factions to side with Iron Man or Captain America, which causes an epic battle between former allies.

A treasure-hunting mastermind assembles a team for a life-changing adventure. But to outwit and outrun threats at every turn, he'll need someone even smarter than he is: his estranged sister.

As Part I opens, Jubei (Denjiro Okochi), the best of sea skippers, is unable to overcome the stormy seas of Luzon. All hands on board the Kannonmaru were lost except for Shinkei, who alone made his way to land & eventually home to inform his grandson Jiromaru (Kinnosuke Nakamura) that his father Jubei met with disaster. Young Jiromaru tells his grandfather that he doesn't want to be a skipper like his father, but wants to go to Kyoto and become a samurai…

When a powerful spell turns her parents into giant monsters, a teenage princess must journey into the wild to reverse the curse before it's too late.