A lonely, orphaned computer genius forms a special bond with an inflatable robot. When a devastating event occurs in their futuristic home city, they join forces with a group of friends to form a hi-tech group of heroes who are determined to get to the bottom of the matter. Animated adventure, featuring the voices of Ryan Potter, Scott Adsit and Daniel Henney.

A special bond develops between plus-sized inflatable robot Baymax, and prodigy Hiro Hamada, who team up with a group of friends to form a band of high-tech heroes.