April 1943 - A Mitsubishi transport plane plunges from the sky over the island of Bougainville.
In a document case chained to his wrist is the greatest secret of the Second World War - a revelation with the potential to change the world if it is ever revealed..
On board is Admiral Isoruku Yamamoto, architect of the Japanese attack on Pearl Harbor.
April 1943 - A Mitsubishi transport plane plunges from the sky over the island of Bougainville