Snarky Hillcats and the Cygnus Marines on a harrowing mission to earth…what could go wrong? From space they came to space they returned, different, driven. Humanity would not be denied. The crew takes the Cygnus-12 deeper into the universe, hopping from one colonized planet to the next on their way to Earth. The stark reality of what they find keeps them fighting for their lives and the survival of all humankind.