The enchanting true-to-life tale of polar bear cubs and their mother on a 400-mile journey from their birth den in Svalbard to the pack ice surrounding the North Pole. The enchanting true-to-life tale of polar bear cubs and their mother on a 400-mile journey from their birth den in Svalbard to the pack ice surrounding the North Pole. The enchanting true-to-life tale of polar bear cubs and their mother on a 400-mile journey from their birth den in Svalbard to the pack ice surrounding the North Pole. The enchanting true-to-life tale of polar bear cubs and their mother on a 400-mile journey from their birth den in Svalbard to the pack ice surrounding the North Pole.