'As winter comes to an end, a pod of narwhals begins a treacherous journey north. Along the way, they must find fish to eat, avoid a hungry polar bear, and navigate a maze of sea ice. Will their sensitive long spiral tusks and clicking calls be enough to keep them safe and help them find their way to their summer resting grounds? Discover the mysteries of these amazing toothed whales and their Arctic home in this suspenseful narrative about the majestic unicorns of the sea.'