When family history turns into life or death.... In 1940, a British tanker was sunk in the Indian Ocean and the crew taken aboard a German surface raider. In the close confines of the ship, a secret mission, undertaken on the instructions of Heinrich Himmler, is revealed. When Tom McLean discovers the journal recording his Grandfather's time as a merchant seaman, he embarks on a mission to follow the trail left for him, and to find the location of the secret that was so important to the Nazi leader. As Tom searches for information online, it soon becomes evident that he is not the only one...