Robotics prodigy Hiro (Phillip Zhao) lives in the city of San Fransokyo. Next to his older brother, Tadashi, Hiro's closest companion is Baymax (Ryan Reynolds), a robot whose sole purpose is to take care of people. When a devastating turn of events throws Hiro into the middle of a dangerous plot, he transforms Baymax and his other friends, Go Go Tamago (Becky G), Wasabi (Shamiek Moore), Honey Lemon (Ariana Grande) and Fred (Charlie Heaton) into a band of high-tech heroes.
