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.
After young robotics enthusiast Hiro’s brother dies in a freak accident. He soon grows close to his robotic assistant known as Baymax, which eventually inspires the two to team up in order to find out who is responsible for the death of his brother…