The war is over. Earth is lost. Running is the only option.
It may already be too late.
Caleb is a former Marine Raider and commander of the Vultures, an elite search and rescue team that's spent the last two years pulling high-value targets out of alien-ravaged cities and shipping them off-world.
Now he's on the last starship out, under orders to join forty-thousand survivors on their journey to a new home. It's not the mission...