It has been over fifteen years since the Zentraedi Rain of Death nearly wiped out humanity, and six years since the Robotech Expeditionary Force left Earth to ensure it never happens again, but all is not well on the home front. The fragile United Earth Government is fracturing, a new Soviet Empire is rising in Eurasia, more and more independent nation-states and rebel factions are appearing every day, and a mysterious threat looms near. The only things standing in the path of total anarchy are the brave men and women of the Army of the Southern Cross.