Homeland. The Badlands Series, #2

Months have passed since General Turner's attack on Rapid City, and Dani's group of resistance fighters are still grieving the loss of one of their own. Through tragedy and inner turmoil, Dani and Kate have finally found themselves on the same side of the war and fighting for control of the wasteland. When the rumor of a traitor among Dani's inner circle is revealed and information about the past threatens to completely derail Kate, it makes staying hidden from the general and Simon all but impossible.
With the help of an unexpected ally within the National Armed Forces, and a final showdown imminent, Dani and Kate must push past their grief and rely on each other more than ever if they have any chance of a future together.