At the monastery in Shrewsbury in 1138, Brother Cadfael's herbarium shelves are richly stocked after a splendid summer. Then one Gervase Bonel, who had planned to leave his valuable manor to the Abbey, is poisoned with Cadfael's own concoction for aching joints. As the monk investigates, he finds a web of family intrigues, where suspicion has fallen on someone he is certain is innocent ...
