Two years into an intergalactic invasion of Earth, survivors in Sydney, Australia, fight back in a desperate ground war. As casualties mount by the day, the resistance and their unexpected allies, uncover a plot that could see the war come to a decisive end. With the Alien invaders hell-bent on making earth their new home, the race is on to save mankind.

Town residents must band together after a devastating alien invasion. As they struggle to survive, they realize they must stay one step ahead of their attackers and work together for a chance to strike back.

Continuing on from Occupation Rainfall, Earth's survivors must face the final onslaught of the Alien invaders and band together to save the planet from impending destruction.