The Last Bride of Earth: A Contract Marriage Sci-Fi Thriller

When Earth's collapse becomes impossible to hide, humanity's final colony ship is sold to the world as salvation. For Dr. Tessa Ward, it looks more like a verdict. Tessa is a reproductive ecologist whose work could determine whether the first off-world colony survives beyond its opening generation. But in a world where power calls exclusion necessity, brilliance is not enough to earn her a place on the last ship leaving Earth.
Her only way aboard is an indecent offer: marry Commander Rhys Arden, the mission's disciplined public face, and become the civilian wife the dying planet can trust. The marriage is supposed to be simple. A contract. A performance. A bargain they can survive without emotional cost. It is none of those things. As the ship leaves Earth behind, Tessa discovers that every deck, every access corridor, and every sealed archive hides a more dangerous truth.
Passenger lists don't add up. Fertility records are buried. Witnesses disappear. The mission was never built to save everyone it selected for transport. It was built to sort humanity into classes of future worth. Worse, the man she married is not innocent. Rhys is controlled, politically managed, and far more morally compromised than Tessa first believed. When she learns he chose her for strategic value before he ever knew her as a woman, the wound cuts deeper than betrayal.
It confirms her darkest fear: that in a world built on selection, usefulness will always come before love. Now, trapped aboard a ship where intimacy is welded to law, Tessa must decide whether survival is enough, whether love can exist inside a system designed to rank human worth, and whether exposing the truth will save the future or destroy the last chance humanity has left. The marriage that was meant to legitimize the mission may be the one thing powerful enough to break it open.
The Last Bride of Earth is a romance-first sci-fi thriller about contract marriage, public performance and private mistrust, class-stratified survival, and a love story sharp enough to change the future system itself.