For 18 years, Jude Farraday has put her children’s needs above her own, and it shows - her twins, Mia and Zach, are bright and happy teenagers. When Lexi Baill moves into their small, close-knit community, no one is more welcoming than Jude. Lexi, a former foster child with a dark past, quickly becomes Mia’s best friend. Then Zach falls in love with Lexi and the three become inseparable. Jude does everything to keep her kids on track for college and out of harm’s way. It has always been easy - until senior year of high school. Suddenly she is at a loss.

Daughter of a cold, controlling mother and an anonymous donor, studious, obedient Elizabeth Fitch finally let loose one night, drinking too much at a nightclub and allowing a strange man’s seductive Russian accent to lure her to a house on Lake Shore Drive. Twelve years later, the woman now known as Abigail Lowery lives alone on the outskirts of a small town in the Ozarks.

Isabel Gibson has all but perfected the art of forgetting. She’s a New Yorker now, with nothing left to tie her to Brinkley’s Island, Maine. Her parents are gone, the family bookstore is all but bankrupt, and her sister, Sophie, will probably never speak to her again. But when a mysterious letter arrives in her mailbox, Isabel feels herself drawn to the past. After years of fighting for her independence, she dreads the thought of going back to the island.

Lowen Ashleigh is a struggling writer on the brink of financial ruin when she accepts the job offer of a lifetime. Jeremy Crawford, husband of best-selling author Verity Crawford, has hired Lowen to complete the remaining books in a successful series his injured wife is unable to finish. Lowen arrives at the Crawford home, ready to sort through years of Verity's notes and outlines, hoping to find enough material to get her started. What Lowen doesn't expect to uncover in the chaotic office is an unfinished autobiography Verity never intended for anyone to read.

Morgan is determined to prevent her daughter from making the same mistakes she did. By getting pregnant and married way too young, Morgan put her own dreams on hold. Clara doesn’t want to follow in her mother’s footsteps. Her predictable mother doesn’t have a spontaneous bone in her body.