Endearing Sulley and his witty partner Mike Wazowski are the leading scare duo at Monsters, Inc., the factory responsible for harvesting screams in Monstropolis. When a young girl named Boo accidentally enters their realm, the monsters find themselves in a panic. Now, it’s up to Sulley and Mike to hide her and ensure she returns safely to her home, navigating a series of comedic and heartwarming challenges along the way.