Autumn, 1379. The power of the crown is invested in John of Gaunt, and the kingdom is seething with discontent. The French are attacking the southern ports and peasants are planning a revolt organised by a mysterious leader who proclaims himself ?Ira Dei?, the Anger of God. His plans plunged into chaos by a series of bloody murders, Gaunt turns to Sr John Cranston to catch the assassin and recover a vanished king?s ransom in gold. Together, Cranston...

December, 1377. A great frost has London in its icy grip; even the Thames is frozen bank to bank. The Constable of the Tower of London, Sir Ralph Witton, is found murdered in a cold, bleak chamber in the North Bastion. The door is still locked from the inside and guarded by trusted retainers. So how did the assassins slip across a frozen moat to climb the sheer wall to commit such a dreadful crime? Appointed to investigate, Brother Athelstan and Sir...

It's the summer of 1380 and the corpse of Edwin Chapler, clerk of the Office of the Green Wax of the Chancery, has been pulled from the Thames: Chapler has drowned, but not before he received a vicious blow to the back of the head. Then Bartholomew Drayton, a usurer and money-lender, is found dead in his strongroom, a crossbow firmly embedded in his chest: a real mystery because the windowless strongroom was locked and barred from the inside. So who...

January, 1381. As guests of the Regent, John of Gaunt, Brother Athelstan and Sir John Cranston have been attending a mystery play performed by the Straw Men, Gaunt's personal acting troupe, in St John's Chapel in the Tower of London when the evening's entertainment is rudely interrupted by sudden, violent death.