In the aftermath of betrayal, the San must defend Earth. Forced to make difficult decisions, Connor's loyalties are questioned, and the world around her begins to crumble. She must prepare for war.

Forced to live on a planet known for its unyielding cruelty, Willow must confront the results of her own actions. Fighting for survival, she must overcome her weaknesses and accept the inevitable.

Meanwhile, Ronin is determined to bring down the San. He loathes Connor, but can't bring himself to harm her.

Neither is willing to accept their destiny, yet compelled by their fate. But will enemies become allies, or fight to the death?