In 1141, two monks have arrived in Shrewsbury from Winchester, where their abbey was destroyed. Now Brother Humilis, who is handsome, gaunt, and very ill, and Brother Fidelis, youthful, comely--and totally mute--must seek refuge at Shrewsbury. And from the moment he meets them, Brother Cadfael senses something deeper than their common vows binds these two good brothers. What the link is he can only guess...what it will lead to is beyond his imagining. But as Brother Humilis' health fails, Brother Cadfael faces a poignant test of his discretion and his beliefs as he unravels a secret so great it can destroy a life, a future, and a holy order....