From the New York Times–bestselling author of Ghosted and The Love of My Life comes an unmissable emotional thriller: an up-all-night, page-turning love story with a very dark secret at its heart.

Carrie and Johan marry on a beach in Thailand only months into their whirlwind romance. Carrie, a British surgical intern, knows she’s being impulsive but is too happy to care. Then, as the wedding festivities stretch into the night, a group of armed men suddenly swarm the beach, taking Johan away. She never sees him again.

Twelve years later, Carrie is living in the English countryside with her husband, Robin, and their six-year-old twins, running a holiday cottage rental. One night, she stumbles across an online post in which she discovers that Johan escaped from Thailand years ago and has been living in Stockholm ever since. As the memories of their passionate relationship flood her, she becomes obsessed with discovering exactly what happened on their wedding day.

But just when Carrie thinks she knows what she must do, a shocking twist explodes, tearing apart everything Carrie thought she knew. The One Day You Were My Husband asks readers what—and whom—they would give up to return to a first love, and to the people they once were.