Three Arusian children are wandering the forest when they come upon a castle in its midst. In the Castle of Lions, this mysterious new castle doesn't go unnoticed. Pidge is sent out to investigate. Finding the children, they all decide to go in the castle to look for treasure. Little do they know, the castle is a trap set by Haggar. Pidge and the kids end up trapped upsidedown inside the bell in the castle's bellfry.