When Aria receives a mysterious invitation to an ancient castle she's inherited, she finds herself plunged into a world of dark secrets and restless spirits. As she unravels the castle's history, discovers hidden passages, and confronts malevolent ghosts, Aria's courage and determination are tested. With the help of ghostly allies, she uncovers a betrayal and lifts the curse haunting the castle. Transforming it into a place of learning and history, Aria honors the spirits and becomes a respected historian, ensuring their stories live on.