Welcome to Mike, the bright green eyeball on two legs.
His friend Sulley and he work together in a monster company. She generate energy with the help of children's screams. However, physical contact is forbidden to people. As they're about to break the company record, something extraordinary happens...
...a human child invades Monstropolis alongside Sulley. Mike and Sulley try to get rid of the child without one Physical contact with the child occurs.
After several attempts, Sulley takes the child to his heart, but Mike I still want to get rid of them. But Sulley prevails and she ultimately save the child from a life-threatening situation and take it back to its nursery.
Over time, the two uncover a conspiracy that lasts until... the executive floor leads. Because of this discovery and the good Experience with the child, organize your Monster AG differently. The Energy is no longer generated with children's screams, but rather from that Children's laughter.