When archaeologist Ursula Morrow accidentally infects herself with an alien parasite, she fears she may have jeopardised her career. However, her concerns become irrelevant when Earth is destroyed, billions die, and suddenly no one needs archaeologists anymore… Two years later, she's plucked from a refugee camp on a backwater world and tasked with retrieving the artifact that infected her, as it just might hold the key to humanity's survival.

One man and his family of warriors love nothing better than mech battles, powered swords, and boarding actions. They're about to get their fill. Duke Uron Marlboro led his mighty house to victory in the Zezner war. The last thing he expected was for his political allies to turn on him once the planetary invasion was thwarted. With a civil war brewing between the noble houses, Uron has one option: lead a long-awaited expedition to find his people's mysterious home world.

Brock Rivers never wanted to be a repairman on Mars. Years ago, he failed to protect his family, and now he labors across a frontier planet to keep his children alive and escape CAUSE. But the spacefaring humanist regime is taking over Martian colonies, forcing all to join the secular state. Back in Brock’s homeworld, his people summon him to fulfill old hopes with a new dream. After decades of cultural isolation, they plan to restore missions for the 22nd century, voyaging beyond Earth to share the gospel in space. Brock must find a ship and recruit a team of misfit believers.

Dalton Greaves is a hero. He’s one of humankind’s first representatives to Unity, a pan-species confederation working to bring all sentient life into a single benevolent brotherhood. That’s what they told him, anyway. The only actual members of Unity that he’s ever met are Boreau, a giant snail who seems more interested in plunder than spreading love and harmony, and Boreau’s human sidekick, Neera, who Dalton strongly suspects roped him into this gig so that she wouldn’t become the next one of Boreau’s crew to get eaten by locals while prospecting.

Vicki becomes fearful when she learns of a conspiracy involving advanced alien technology, genetic manipulation, and a plan to take control of the lives of everyone on Earth. And that’s just the humans. The aliens have their own agenda.