Harlan Coben explores the dangers of obsession in this #1 New York Times bestselling masterpiece of modern suspense.
Six years have passed since Jake Fisher watched Natalie, the love of his life, marry another man. Six years of hiding a broken heart by throwing himself into his career as a college professor. Six years of keeping his promise to leave Natalie alone, and six years of tortured dreams of her life with her new husband, Todd.

But six years haven't come close to extinguishing his feelings, and when Jake comes across Todd's obituary, he can't keep himself away from the funeral. There he gets the glimpse of Todd's wife he's hoping for...but she is not Natalie.

As Jake searches for the truth, his picture-perfect memories of Natalie begin to unravel. Mutual friends of the couple either can't be found, or don't remember Jake. No one has seen Natalie in years. And soon, Jake's search for the woman who broke his heart puts his very life at risk as he uncovers the secrets and lies that love can hide...