April Wood has returned home from her adventure on Bear Island. But even though it's been a whole year, she can't stop thinking about Bear. When April hears that a polar bear has been shot and injured in Svalbard, she's convinced it's her friend and persuades her dad to travel with her to the northernmost reaches of the Arctic. So begins an unforgettable journey across frozen tundra and icy glaciers. But along the way, she discovers much more than she bargained for-a tiny polar bear cub, desperately in need of her help. In freezing temperatures, April must navigate the dangerous Arctic terrain and face her deepest fears if she's to save him.