Leo 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's time to leave and see the world. That's how he meets Jane, a kid with a tremendous imagination and an open position for a worthy knight. That's how Leo and Jane become friends. And that's how their adventures begin.