Cassidy Hart is alone. Her Commander and the love of her life, Chris Young, has gone missing in action. A horrific battle with Omega has left too many good men and women dead, and Cassidy must bear the burden of leadership in the militia on her own. But she's not about to give up. With the help of her faithful friends - and former enemies - she will stop at nothing to rescue Chris and ensure victory for the militias in their fight against the all-powerful Omega forces. The game has shifted. This time, Cassidy is one step ahead of the enemy. This time, Cassidy is in charge.