Titanic and the Mystery Ship

As the Titanic was swallowed by a freezing sea, over 800 miles from the nearest land, her 2,200 passengers and crew attempted desperately to advert tragedy. Lifeboats were lowered, and constant SOS signals sent, but most realised they would require a miracle to avoid their doom. And then it came. Approaching over the horizon was a ship, coming ever closer and then stopping within five or six miles...