The crew's efforts to reactivate the long-abandoned Moon Base Delta are hindered by a desperate food shortage which begins to sap their mental and physical energy. Their dire situation is not helped by an influx of refugees and rebels fleeing the brutal resource conflicts erupting throughout the lunar colonies. Moon Base Delta quickly becomes a melting pot of desperate souls caught in the crossfire, all fighting for survival. As the pressure on limited resources escalates, and the demands on Renton and the crew intensify, they come to a stark and uncompromising realization: If they are to survive, they must confront the harsh reality of their predicament - they must fight back.