When Shrewsbury's goldsmith is robbed and left for dead, the locals launch a witch-hunt. Pursued by the mob, the prime suspect, a young juggler who performed at the wedding of the goldsmith's son, seeks sanctuary at the Abbey. But as Cadfael investigates, a second body is found floating in the River Severn.

A rich landowner cuts his stepson out of his will to leave his fortune to Shrewsbury Abbey, and is found poisoned. When Cadfael is called in to investigate, he is shocked to find that the dead man's wife is his own childhood sweetheart, whom he has not seen for forty years.