Will blackmail and backpacking on an island famous for its wolves mend the relationship between Amy and her daughter? Or will they be next to die on Isle Royale? Emboldened by her adventures in the Grand Canyon, Amy Warren again laces up her hiking boots. She ferries with her daughter, Meagan, to Isle Royal National Park. When volunteer ranger Sarah Rochon is accused by a co-worker of assault and theft, Amy is torn between spending precious time with Meagan and clearing her best friend's name. When Amy rescues Remington, a pampered Havanese show dog, from the frigid waters of Lake Superior, he becomes her champion. Together they sniff out clues to the evil that threatens the natural tranquility of the magical island.