Every summer holiday, Isaac Turner spends three weeks with his grandfather, Ferdinand, at his house in Italy, and this year his best friend Hattie is coming too. Everything points to a fantastic summer, until Ferdinand is arrested for the theft of millions of euros of jewellery. But Ferdinand hasn’t stolen anything – yet.
Drawn into a daring heist during a solar eclipse, Isaac and Hattie must figure out who is telling the truth, and who is using the cover of darkness to deceive them.