Jovian Moon Base - Callisto, 22nd Century AD: Tensions have arisen between the conglomerate of Earth's leading corporations that funded the base and the mining collective tasked with operating it. Protests have erupted, strikes been called, and contracts broken. Private security forces have been hired, industrial mining vehicles repurposed for combat, and long-disused military mechs reawoken. The battle for Callisto is about to begin: It's time to choose your side.