The hero of the story is six boys. They went on vacation together excitedly, but they met a monster in their house in Maine, and the monster came down from upstairs.

In the quiet night sky, a meteor shower crossed the dark galaxy, leaving a beautiful and dazzling arc after another. Four strange, fiery objects, like lentils, were mixed in it, not only shining, but also making a crackling and burning sound ... Suddenly, a powerful force with great mystery forced the meteor shower to change its direction and orbit and fly directly to a bright blue planet-the earth. .....