The story is about a Martian named Macon that loved exploring space, asteroids, and different planets. After experiencing mechanical trouble with his spaceship, he had to land on planet Earth. After landing his disabled spaceship on Earth, he befriended a young boy named David. The two of them looked for the lithium that Macon needed for his spaceship. After Macon found the element that he needed for his spaceship and repaired it, then the both of them set out on a very short trip to explore the universe to collect samples and to show David what it was like in space. The two became fast friends. Macon had to go back home but promised David that when he came back that he would visit him and take him on some more journeys into space.