DI Richard Poole is hot, bothered and fed up. He's stuck on the tropical island of Saint-Marie, forced to live in a rickety old shack on a beach, and there isn't a decent cup of tea to be found anywhere.When a boat explodes in the harbour, Richard and his team soon realise there's a new murderer on the loose. But who is it? And why did the killer leave behind a ruby at the scene of the crime?As the police dig deeper, they uncover secrets that go back decades, and a crime from the past that can never be forgiven.Worse still, they soon realise this is only the beginning. They've got to catch the killer before there's another death in paradise...