A lonely young boy feels different from everyone else. Desperate for a friend, he seeks solace and refuge in his ever-present cell phone and tablet. When a mysterious creature uses the boy’s devices against him to break into our world, his parents must fight to save their son from the monster beyond the screen.
James Sullivan and Mike Wazowski are monsters, they earn their living scaring children and are the best in the business... even though they're more afraid of the children than they are of them. When a child accidentally enters their world, James and Mike suddenly find that kids are not to be afraid of and they uncover a conspiracy that could threaten all children across the world.
A look at the relationship between Mike and Sulley during their days at Monsters University — when they weren't necessarily the best of friends.