L'uomo che morì due volte

A young neo-billionaire calls Martin Mystère to offer him the impossible mission of retrieving an underwater treasure inside the wreck of the British transatlantic Lusitania, torpedoed by a German submarine in 1915. But our hero can’t even fathom that it will be the start of an extraordinary adventure. Martin and Java will plunge into the heart of the Bermuda Triangle, where they discover the most incredible secret in the world…