Max is an ordinary eighth grader until Aliens steal his beloved pet dog Monty. He uses his wits to find a way to get him back.

In Chapter 1 of Aliens Stole My Dog, the protagonist, Max, is introduced. He is a typical eighth grader living a happy life with his parents and his beloved dog, Monty. One day, on his way home from school, Max is startled by a loud blast and discovers a massive spaceship hovering in the sky. The Aliens have stolen Monty, his dog. Despite the fantastic events, Max uses reason and different sources to get to the bottom of the situation and starts his journey to save Monty from the mysterious Aliens.