Hiro, a robotics prodigy, joins hands with Baymax in order to avenge his brother's death. They then team up with Hiro's friends to form a team of high-tech heroes.
The Parr family suit up for the first time in four years in order to battle the threat of a supervillain group known as The Titanous Three… The leader of the group is El Carburetor, who was sentenced to death row for his many crimes.
