Duchess Ferdinanda loved to organize mask parties in the halls of her palace. There was a prince by the name of Wrob who was the future king of the throne of Arboleda; and very soon he would be married to Princess Laura, his fiancée. Ferdinanda makes preparations for a big mask party and they meet there for the first time. That night she went for a walk in her garden, suddenly the earth opened up and she disappeared without a trace.