Winter's Deep (The Dark Season #4)

Heartbroken and needing a change of scenery, Robin is captivated by the rugged beauty of Patagonia. But nature is as brutal as it is majestic. There is something dangerous lurking beneath the glassy water. Something hungry. When a monstrous creature emerges from the depths, she discovers a primal passion unlike anything she's ever experienced. In this remote wilderness where nature strips away all pretense, she surrenders to a forbidden desire that leaves her craving more.