Six months have passed since the onset of the Krenaran war, the E.D.F and their Solarian allies have managed to push back their brutal Krenaran assailants, although at a terrible cost. Once proud colonies, stations and facilities now lie in ruins due to the ferocity of the fighting, millions of lives have been lost. Michael Alexander; now a captain and in full command of the Liberty, has been left a haunted man by the loss of his wife and son, he must now put the past behind him as he embarks on the greatest most devastating battle of the war so far. The destruction of the Krenaran forces besieging Echo base, the primary facility of the E.D.F engineering services and strategically vital to the war effort. If this base falls, the entire war could be shifted back to the Krenaran's favour, the E.D.F, even humanity itself could be lost forever. If successful the war could be ended right there in this high stakes all or nothing battle, with the future of humanity hanging in the balance.