The sun is blacked out by a swarm of insect invaders that are looking to devour everything in sight. The Homestead Act, the end of the Civil War, and the completion of the first transcontinental railroad all sent families out west looking to start their lives anew but after suffering drought and other hardships, their misery is infested by almost 27 million tons worth of locusts that stretched out across an estimated 2 million square miles of air and land.