Everything seemed to be going just right for Lem, until the day an astronaut dropped out of the sky and landed in his back yard. Soon, Lem's world is turned upside-down. With his entire planet in a tizzy over the "alien invasion," Lem knows that it's up to him to help Chuck back to his ship. Along the way, the two discover that they have more in common than meets the eye. Can Lem convince his friends that Chuck isn't the threat they assume him to be?