Fergus Mac Cormaic had walked away from his faerie bloodline choosing to be a mortal and live with his pregnant fiance, Anna Maria Avila. However, his grandfather, a powerful troll, died in his arms passing on the mantle of the Guardian of the Seventh Gate to the reluctant ex-changeling. Confronted by a Winter Fae lady accusing him of failing his duty and outed as a supernatural to Anna he must now learn what his new responsibilities entail. The only one who can help him repair the failing Seventh Gate is the disgraced Warden Jack Youngblood, who is on a quest to repair his own damaged mystical power.