Fifteen-year-old Daniel has followed in his parents' footsteps as the Alien Hunter, exterminating beings on The List of Alien Outlaws on Terra Firma, but when he faces his first of the top ten outlaws, the very existence Earth and another planet are at stake.

Scarlett McCain is a shoot-first ask-questions-later kind of outlaw. She scrapes by on bank heists, her wits - and never looking back. She's on the run from her latest crime when she comes across Albert Browne. He is the sole survivor of a horrific accident, and against her better judgement, Scarlett agrees to guide him to safety. This is a mistake. Soon there are men with dogs and guns and explosives hot on their heels. Scarlett's used to being...