"Tyen is a teacher of magic, but his work may soon be outlawed. The formidable ruler of worlds, long believed dead, is now back and has forbidden all schools of magic. As pupils flee, Tyen is left with no home or purpose...except to fulfil the promise he made to Vella, the sorcerer imprisoned in a book. Tyen must decide what he is willing to do to free her. Elsewhere, Rielle's peaceful new life as a tapestry weaver has been shattered by a local war. As defeat looms, the powerful Angel of Storms appears and invites Rielle to join the artists of his heavenly realm. But what will he require in return for this extraordinary offer?"