On the Day of Reckoning, the witches of Eileanan were outlawed - and violations of the new order were punishable by death. Eileanan’s Great Towers, once meccas of magic and learning, were left in ruins. And now, the entire land trembles in fear. Yet deep in the mountains, in the shadow of Dragonclaw, a young girl is being tutored in the old ways. Ignorant of her past, uncertain of her future, the foundling Isabeau will soon be forced down a dangerous path of prophecy, conspiracy, and magic.

An evil necromancer has kidnapped the royal twins, plotting to spill their blood—for revenge, and to restore his own family to life. Chaos reigns in the capital, and Rhiannon finds herself burdened with a heavy charge: to save the one woman she hates above all others. It will not be easy to forgive or forget that Olwynne attempted to steal Rhiannon’s true love, the handsome apprentice-witch Lewen—especially when it seems that Olwynne would still be her rival for his affections.  

In exchange for help escaping her long and wrongful imprisonment, embittered magical healer Blackthorn has vowed to set aside her bid for vengeance against the man who destroyed all that she once held dear. Followed by a former prison mate, a silent hulk of a man named Grim, she travels north to Dalriada. There she'll live on the fringe of a mysterious forest, duty bound for seven years to assist anyone who asks for her help. Oran, crown prince of Dalriada, has waited anxiously for the arrival of his future bride, Lady Flidais.

One bitter Midwinter's Eve, everything changes when Bridei finds a child on their doorstep - a child abandoned by the Fair Folk. It is the height of ill fortune to have truck with the Fair Folk, and all in the area counsel the babe's death. But Bridei sees an old and precious magic at work and, heedless of the danger, fights to save the child. Broichan is wary but relents, for Bridei must grow to be his own man and make his own decisions.

Lovely Sorcha is the seventh child and only daughter of Lord Colum of Sevenwaters. Bereft of a mother, she is comforted by her six brothers who love and protect her. Sorcha is the light in their lives and they are determined that she know only contentment. But Sorcha's joy is shattered when her father is bewitched by his new wife, an evil enchantress who binds her brothers with a terrible spell, a spell which only Sorcha can lift - by staying silent.