In fourteenth-century Devon, villeins were as much the property of their masters as manor houses and land; runaways were routinely apprehended and brutally punished. But when Peter Bruther flees from the home of Sir William Beauscyr, he has the cunning to set up as a tin miner on the moors, putting himself automatically in the protection of the king, who rakes in a fortune in taxes from the tinners. When the bailiff of Lydford, Simon Puttock, informs Sir William that he has no legal claim on his wayward servant, the knight is furious, fearing an uprising amongst his other men. Before any dissent can spread, Bruther's body is found hanging from a tree on the moors, and Simon, assisted by former Knight Templar Sir Baldwin Furnshill, finds himself investigating cold-blooded murder. There...