All 13 episodes from the second season of the supernatural fantasy series set 25 years after a devastating war of extinction fought between mankind and otherworldly beings. Now that God has turned his back on the people of Earth, it falls to the remaining human population led by Alex Lannen (Christopher Egan) to protect the future of humanity against the dark forces led by the archangel Gabriel (Carl Beukes). In this season, Alex faces a new enemy in the form of half-human, half-angel Julian (Simon Merrells).