Jessica Knoll—the New York Times–bestselling author of “Luckiest Girl Alive” and “Bright Young Women—”joins us to share her brand-new novel, “Helpless,” a smoldering erotic thriller with a singular, mind-bending ending.

It's been 12 years since Faye Heron broke Henry Spalding's heart. Henry was her college boyfriend, her first love, but Faye was in danger of being subsumed by him and the intensity of their connection—a connection that took her beyond boundaries she'd only dreamed of crossing.

Now, Faye is one half of a power-producing duo with her Hollywood husband. Henry is a married father running the family business. On the surface, both of their lives have essentially gone to plan.

When a former and beloved college professor suddenly passes away, Faye and Henry find themselves back on campus for the funeral, circling something old and dangerous. Something, if Faye is honest with herself, she has been trying to duplicate for years. But Henry is one of a kind.

The kind who delivers a hypnotic apology for the way things ended.

The kind who suggests they go back to the hotel for a drink.

The kind who drugs and kidnaps her ...