In a small Michigan town where the business of incarceration is the only thriving industry, the McClusky family are the power brokers between the police, criminals, inmates, prison guards and politicians in a city completely dependent on prisons and the prisoners they contain.

Using massive piloted robots to combat the alien threat, earth's survivors take the fight to the invading alien force lurking in the depths of the Pacific Ocean. Nearly defenseless in the face of the relentless enemy, the forces of mankind have no choice but to turn to two unlikely heroes who now stand as earth's final hope against the mounting apocalypse.