The Hundred Years War still rages on and the French army thirsts for Thomas Blackstone's blood. Episode six in the epic Master of War series. The Hundred Years War still rages on and the French army thirsts for Thomas Blackstone's blood. Blackstone battles to strengthen Edwards III's claim to the throne and confronts the might of the French army. But, when his friend turns assassin, Blackstone is faced with an impossible choice: to save the English prince or sacrifice his son. Will he abandon his sworn oath to protect the future King of England? Or will he protect his family at the cost of the nation?