When Jimmy finds out his girlfriend Everly is pregnant, he figures it's the toughest news he'll get that day. Yet, somehow, the two of them also manage to accidentally open a mysterious portal, and a horde of bio-engineered alien creatures are set loose in their small town. Now, in a race against time, these soon-to-be parents must quickly learn to work together and stop the monster invasion, or their town, their planet, and their relationship will face sudden annihilation.