The enchanting fantasy series from the award-winning author of the Sevenwaters novels continues, as embittered healer Blackthorn and her companion, Grim, struggle to fulfill the rules of her bond to the fey. . . . Despite her personal struggles, Blackthorn agrees to help take care of a troubled young girl who has recently been brought to court, while Grim is sent to the girl’s home at Wolf Glen to aid her wealthy father with a strange task—repairing a broken-down house deep in the woods. It doesn’t take Grim long to realize that everything in Wolf Glen is not as it seems—the place is full of perilous secrets and deadly lies. . . . Back at Winterfalls, the evil touch of Blackthorn’s sworn enemy reopens old wounds and fuels her long-simmering passion for justice. With danger on two fronts, Blackthorn and Grim are faced with a heartbreaking choice—to stand once again by each other’s side or to fight their battles alone.