Mistero in Via dei Tulipani (A1-A2) is an absorbing story, and not without twists, which takes place inside a condominium. It all starts with the murder of Mr. Cassi, the tenant on the second floor. Two sixteen-years-olds, Giacomo and Simona, decide to set out in the search of the assassin. The investigations will lead them to discover not only the murderer, but also love.