The onset of winter has slowed the spread of Xeno-1, but has also trapped Charissa, Agatha and Jason in their respective shelters. They find themselves in a fight not only against the alien virus, but against the growing cold and constant struggle to maintain their sanity, supplies and safety.
Forced to brave the elements, C.A.F. Corporals Treegar and Garner have no other choice but to lead a group of surviors through the harsh Canadian winter in search of promised shelter and security.
In a fight for its own survival and adaptation to Earth's unique climates, Xeno-1 spreads southward in search of more warm bodies to sustain its growing foothold on the planet.