Book I of Camber of Culdi trilogy. At the beginning of the 10th century the crown of Gwynedd sits on the head of young Imre, who proves himself both tyrant and murderer. The great Camber of Culdi knows this is a king that he cannot serve. But in a cloistered monk’s cell, under a twelve-year vow of silence, lives Prince Cinhil – the last Haldane and rightful human heir to the throne. Thu Camber MacRorie, the greatest among the Deryni sorcerers will lead a revolt to restore the rightful – if reluctant – heir to the throne.  But is this venture doomed from the start?