L'uomo che morì due volte

When a young neo-billionaire contacts Martin Mystère to propose the impossible mission of recovering a sunken treasure kept in the heart of the wreck of the British ocean liner Lusitania, sunk in 1915 by a German submarine, he cannot even imagine that this is only the beginning of an extraordinary adventure that will take him and Java to the heart of the Bermuda Triangle where they will find the most incredible secret in the world hidden...