Two hundred years ago, Earth nearly fell.
An alien race known as the Krolli brought humanity to the brink of extinction-until a desperate alliance led to a forbidden experiment: splicing alien DNA into human volunteers. It worked. The Age of Heroes was born, and the war was won.
But the alien DNA was supposed to be gone.
It isn't.
Now, in a hidden military facility called Camp Echo, a new generation is showing signs of something impossible. These "Enhanced" children are trained like weapons and controlled like experiments. Group U was never supposed to survive.
After a government betrayal turns training into massacre, Group U escapes. On the run, hunted by drones and blamed for crimes they didn't commit, they must decide who they really are: monsters... or something more.
But one of them is changing into something ancient.
Something that once nearly ended the world.