In one of his most celebrated roles ever, Sir Derek Jacobi plays the shrewd and intuitive medieval monk who turns to his knowledge of medicine and nature to clear the name of a much-loved novice and discover the truth behind the death of a young woman found frozen at the bottom of a brook. In unraveling this haunting g-british, g-mystery, Cadfael begins to understand that his days as a man of the world aren't so easily left in the past.