Aunt Cass sets Hiro up with 14-year-old Megan which leads him to wonder if he is missing out on being a normal kid. Big Hero 6 must deal with an upgraded High Voltage.
As the new prodigy at San Fransokyo Institute of Technology, Hiro now faces daunting academic challenges and the social trials of being the little man on campus. Off campus, the stakes are raised for the high-tech heroes as they must protect their city from an array of scientifically enhanced villains.