Henry Hart meets a superfan—eager to fight crime with Kid Danger—who comes into possession of a device that can open up alternate realities. Facing a wild ride, Henry will need his best friend Jasper and his new superfan sidekick to find his way out or be stuck in another dimension forever.
A group of eccentric assassins are fed up with Gunther, the world's greatest hitman, and decide to kill him – but their plan turns into a series of bungled encounters as Gunther seems to always be one step ahead.
