On the desert planet Pau-Rosa, Ash finally manages to escape her criminal captors and call home, but when Dr. Lee gives her a new mission, will Ash be brave enough to take it?

The lines between cop and crim blur when Ash is faced with a dilemma - is she willing to break the law in order to save the lives of the criminals who stole her freedom?

After ditching the Hemlock for something a little less conspicuous, the gang get more than they bargained for when they encounter the eccentric Professor Blake…

With a member of the gang in urgent need of medical attention, the Hemlock makes a stop on Candy's home planet - Skov. Candy is confident that they can pass through unnoticed, but heartbreaking discoveries ground the ship a little longer than anticipated.

Trapped aboard the Hemlock and stalked by an unseen danger, the fractured crew are forced into alliance against an enemy they cannot defeat with guns and threats…

The stakes are higher than ever as Ash and Verona stage a daring rescue, and Tula plays poker in a bid to win her way to the Promised Land.

With Arcadia finally in their sights, the crew begin to celebrate. But when they discover that there is a Commonworld spy in their midst, their hopes for freedom are destroyed. Will they ever be able to reach the free world?