Welcome to the cozy mansion of the Intrigio family! True, there is a secret here, but this secret is a lie. Imogen Intrigio inherited a real talent in mathematics from her mother and a craving for art from her father. She is active and loves sports, and is incredibly smart even in things that don’t interest her. But here’s the problem: she has absolutely no sense of rhythm, hearing or voice. What does she want to be when she grows up? Pop star!

Welcome to the cozy Intrigio mansion! At midnight, an unusual red envelope falls into their yellow envelope mailbox. This time the Intrigio family was invited to Mr. Rebus's estate. In addition to them, a former MI6 secret agent, the winner of a mattress company raffle, a master of lies from Russia and an American agent gathered there. An unexpected crime, secret traps and numerous clues will help the Intrigio family uncover the secret identity of the mysterious Mr. Rebus.

An exciting detective story from the author of the popular series "Detective Cats" Alessandro Gatti and the creator of the world bestseller "The Secret Diaries of Ulysses Moore" Pierdomenico Baccalario.