The samurai inheritance

April 1943 - A Mitsubishi transport plane plunges from the sky over the island of Bougainville. On board is Admiral Isoruku Yamamoto, architect of the Japanese attack on Pearl Harbor. 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. December 2011 - Art recovery expert Jamie Saintclair celebrates the return of a Vermeer painting to its rightful owner, and the day turns even better when he's offered a lucrative commission. Not much can surprise Jamie, but he blinks when mining…