Kate's death has left Joe devastated and consumed with revenge. The Non'anon aliens are aloof and indifferent. The enemy is defeated. Or is it?

Now, as an even more powerful threat approaches Earth, the situation seems dire. Yet, amid despair, hope emerges. The multiverse twists and turns, creating chaos, confusion and opportunities.

Can the Alliance successfully defend Earth once more? And will the sudden appearance of someone from the dead shift the balance in their favour, or work against them?