Hiro Hamada is a 14-year-old robotics genius in the futuristic fictional city of San Fransokyo. Having graduated high school at 13, he now spends his time participating and betting on illegal bot fights. To redirect Hiro, his elder brother Tadashi takes him to his robotics lab at the San Fransokyo Institute of Technology, where Hiro meets Tadashi’s friends, GoGo, Wasabi, Honey Lemon, and Fred, as well as Baymax, the inflatable healthcare robot Tadashi created. Hiro also meets Professor Callaghan, the head of the university’s robotics program. Amazed, Hiro decides to apply to the university.