Dante reunites with MacDuff, his old bounty hunting mentor, looking to join him for one last hunt. Meanwhile, Lucretia - Dante's current partner - is asked to find a man who may hold the key to the Divinity Cluster, human genes believed to have extra-terrestrial origins.

Luc and Dante transport a pair of criminals to a prison on Mercury. When they reach their destination and head to the surface, their loyalties and faith in one another are tested in the blinding heat of Mercury's sun ward side, where the wrong move ends in agonizing death.

While hunting bounties on Mars, Dante and Luc are attacked by The Raiders, a vicious tribe of spacefaring barbarians known for their propensity to abduct children. Dante struggles between his sense of justice and his desire for vengeance as he confronts his tormentors.

Dante and Luc capture a murderous psychopath named Petrakis, before crossing paths with a Major Bartlett, who has a dangerous, powerful prisoner of his own... and military authorization to commandeer the Trans-Utopian!

Dante's crew head to Pluto, hot on the trail of a ruthless war criminal named Novak. Percy, aboard the Trans-Utopian, must fight Novak's deadly A.I. as Dante and Luc do battle with the solar system's most notorious killer.