Freddie and Rosie embark on an adventure triggered by an ancient alchemy book. In their quest, they encounter mysterious people and various dangers. From a mysterious confrontation in a church to an unknown journey, they face the obstacles of mysterious forces and the attacks of powerful monsters along the way. In the process of searching for treasures, they enter an ancient castle and accept the challenge of a mysterious shadow, where they need to find three mysterious objects. Faced with difficult choices, they resolutely decide to continue their adventure, deciphering codes and defeating monsters in the castle to get closer to clues about the treasure.