For fifty years, humanity fought alongside the Hanura and The Seven against the Kai. With the Hanura wiped from the galaxy and The Seven falling soon after, the Terran Coalition now stands alone against a superior enemy... an enemy that has pledged the complete extermination of mankind.
Driven back to Earth, the last remaining human world, Private Dana Lofgren and the remnants of the 307th fight their way through rugged terrain and impossible odds. With nowhere to run and the enemy closing in, they have no choice but to keep going until they reach the end of the line...