He soon regrets his act of compassion when he learns that Earth is about to become the dumping ground for hundreds of thousands of convicts from an overcrowded alien world that has socially engineered itself out of options.
And he just saved the life of the guy in charge.
Now he knows too much. Now he's a wanted man, scheduled to be Cancelled-cryogenically frozen-forever.
Saving the world was never on his bucket list, but he's got no choice. To save himself, he must first save the world.
He's just one man, and the aliens' Peace Squad is on its way.