On the most beautiful island in the world, the lemons are ripening for the Bellinis' famous Limoncello. But then, the Constantinis suddenly stop supplying - they want to make the shift to organic fruits and crowd farming. When Elisa Constantini dies in a mysterious accident on Capri's serpentine roads, the island’s young detective Enrico Rizzi and his dynamic colleague Antonia Cirillo lead the investigation - and find themselves gazing into an abyss of old feuds and new disputes.