Dutiful villager Catel defies village rules and enters the surrounding forest in search of her missing sister who has been snatched by ruthless cryptid: The Ram.

On the same day that Tom Dunn finds out that he is to become a father again, the people of Earth become plagued with terrifying visions of the end of the world. When a gigantic, all-consuming alien mothership launches a ruthless attack, chaos and destruction follow. The ultimate war for Planet Earth is about to begin...