In this film Mike and Sulley has made a perfect laugh day for kids and Boo can visit them anytime. But then Randall is back, and he wants Revenge by hiring Johnny Worthington and Chet Alexander. As it's means necessary for getting things back to the way they used to be. So it's up to Mike, Sulley, and their old friends from Monsters University, the Oozma Kappa can save Monstropolous.
