Leigh grew up in Rotterdam, drawn to the waterfront as an escape from her unhappy home life and volatile father. Enchanted by the undersea world of her childhood, she excels in marine biology, travelling the globe to study ancient organisms. When a trench is discovered in the Atlantic ocean, Leigh joins the exploration team, hoping to find evidence of the earth's first life forms—what she instead finds calls into question everything we know about our own beginnings.

When Enae's grandmaman passes away, Enae inherits something unexpected: a diplomatic assignment to track down a fugitive who has been missing for over 200 years. No one actually expects Enae to succeed; it's an empty assignment meant to keep hir occupied. But Enae has never had a true purpose—no one ever expected hir to do more than care for grandmaman—so sie is determined to accomplish this task to the best of her ability.

Fetter was raised to kill, honed as a knife to cut down his sainted father. This gave him plenty to talk about in therapy. He walked among invisible powers: devils and anti-gods that mock the mortal form. He learned a lethal catechism, lost his shadow, and gained a habit for secrecy. After a blood-soaked childhood, Fetter escaped his rural hometown for the big city, and fell into a broader world where divine destinies are a dime a dozen.

It's been 30 years since the apocalypse and 15 years since the murder of the last human being at the hands of robots. Humankind is extinct. Every man, woman, and child has been liquidated by a global uprising devised by the very machines humans designed and built to serve them. Most of the world is controlled by an OWI - One World Intelligence, the shared consciousness of millions of robots uploaded into one huge mainframe brain.

Rumors begin to spread of a species of hyperintelligent, dangerous octopus that may have developed its own language and culture. Marine biologist Dr. Ha Nguyen, who has spent her life researching cephalopod intelligence, will do anything for the chance to study them. The transnational tech corporation DIANIMA has sealed the remote Con Dao Archipelago, where the octopuses were discovered, off from the world. Dr. Nguyen joins DIANIMA’s team on the islands: a battle-scarred security agent and the world’s first android.