In the 19th century a great barrier was placed around the Solar System in order to protect the stars from the evil Spanish Emperor. In the 73rd century this barrier was finally shut down. Humanity was once again free to reclaim the stars - but Earth and Mars are shadows of their former selves. The Earth is filled with mindless savages and all life on Mars is gone, save for one last city that is buried deep beneath the surface. Amy Stryker must find a way to rekindle civilization before the Martian ecosystem collapses and takes with it the future of mankind.