Set in 2144, against the harsh backdrop of a subarctic wasteland, Sumi, a human-child raised by Mama Polar Bear, narrowly escapes capture from a brutal Morad hunting party and sets out across the vast winter landscape. When Sumi stumbles across Frozen Girl, an unlikely friendship is forged and together they race ahead of the vindictive hunters towards the only guiding light Sumi knows - the POLARIS star.