The main character of the cartoon "Big Hero 6" is developing unique robots. Hiro is a genius in the design industry and advanced technology. His brother Tadashi studies at the Institute and is also engaged in robots. One day he leads his younger brother to College, where he was introduced to Baimak – an experimental robot, created to provide medical care. The brothers are entangled in the evil plan of one man who decided to appropriate the invention of Hiro. The boy decides to use the good-natured Baymak as an invincible fighting machine.