It's near to Christmas, and eleven-year-old Mi.Psy is worried about Luna Bastet, the black cat, guardian of his family's castle in the south of Italy. During the night, Luna calls Mi.Psy in a dream while he sleeps urging him to set off, by himself, from Florence to the castle. After a difficult journey Mi.psy arrives at the castle where he and Luna go in search of Luna's granddaughter. They also find a mysterious little girl who reveals a bigger problem: there are thieves about.
It's near to Christmas, and eleven-year-old Mi.Psy is worried about Luna Bastet, the black cat, guardian of his family's castle in the south of Italy....