Leo is any kid's best friend. He likes to draw, he makes delicious snacks, and most people can't even see him. Because Leo is also a ghost. When a new family moves into his home and Leo's efforts to welcome them are misunderstood, Leo decides it is time to leave and see the world. That is how he meets Jane, a kid with a tremendous imagination and an open position for a worthy knight. That is how Leo and Jane become friends. And that is when their adventures begin.