Reeling from the news of an unexpected pregnancy, Jimmy and Everly unknowingly release an alien invasion in their small town and learn to work together in order to save each other, their town and evidently, the entire galaxy.
In 1859, families discover the lure of the Old West as they settle in territories from Wyoming to Kansas. Meanwhile, a gruff cowboy soon finds himself on the run with a prostitute and a young boy after killing a fellow gunman.