Masters of the historical mystery, authors Michael Jecks, Susanna Gregory, Bernard Knight, Ian Morson, Philip Gooden, Simon Beaufort, and C.J. Sansom band together as The Medieval Murderers to craft this thrilling tale. In 1067 Greenland, a strange stone falls from the sky. Over the next 600 years, violence and death follow whoever possesses it, including crusading knights, a dying King Henry III, and a troupe of His Majesty King James I's players.
On a bitter winter evening in 1356, Matthew Bartholomew and Brother Michael arrive in Lincoln - Michael to accept an honour from the cathedral, and Bartholomew to look for the woman he wants to marry. It is not long before they learn that the friary in which they are staying is not the safe haven they imagine - one guest has already been murdered. It soon emerges that the dead man was holding the Hugh Chalice, a Lincoln relic with a curiously bloody history. Bartholomew and Michael are soon drawn into a web of murder, lies and suspicion in a city where neither knows who can be trusted...
February 1355, and Oxford explodes in one of the most serious riots of its turbulent history. Fearing for their lives, the scholars flee the city, and some choose the University at Cambridge as their temporary refuge. But they don't remain safe for long. Within hours of their arrival, the first of their number dies, followed quickly by a second. When Matthew Bartholomew begins to investigate the deaths, he uncovers evidence that the Oxford riot was not a case of random violence, but part of a carefully orchestrated plot...