Victoria Weathers is a tough no-nonsense IMC Sentinel from Earth is on her sixth month out on the Frontier against the Militia eager to restore peace in the system and go home with one fat paycheck. However, fate has different plans. Codi Winters, a young but grizzled MCOR veteran that has been fighting the IMC war machine for over two years. After losing her family and home, Codi becomes a devoted fighter willing to see the Frontier Free no matter how long it takes.