Gia and Abby have been friends since childhood, forever bonded by the tragedy that unfolded in Greece when they were eighteen. Now thirty, heiress Gia is back in Greece with her shiny new husband, entertaining glamorous guests with champagne under the hot Mediterranean sun, while bookish Abby is working fourteen-hour-days as an attorney. When Gia invites Abby on an all-expenses-paid trip to Sweden to celebrate her birthday, Abby’s thrilled to reconnect.

Lottie Jones thought her crimes were behind her. Decades earlier, she changed her identity and tucked herself away in a small town. Her most exciting nights are the weekly bingo games at the local church and gossiping with her friends. When investigative journalist Plum Dixon shows up on her doorstep asking questions about Lottie’s past and specifically her involvement with numerous unsolved cases, well, Lottie just can’t have that. But getting away with murder is hard enough when you’re young.

Jia Song has always been destined for greatness. As the daughter of Korean bodega owners, she promised herself that she would have every Fifth Avenue luxury when she grew up, and it is all finally within reach. She has just made junior partner at her prestigious Manhattan law firm, she can count on her two best friends to have her back, and she is about to score the ultraluxe gold-on-gold Birkin bag of her dreams. So when her boss asks her to sit in on the hush-hush family implosion of a high-level client, she accepts without hesitation.

Annabelle Reynolds has everything she’s ever wanted. A devoted husband, two wonderful daughters, and a career she loves. She couldn’t be happier. So why is she suddenly plagued by disturbing dreams of a future where she hates her husband and her daughters’ lives are at risk? At first, she chalks the dreams up to an overactive imagination. But when details from her dreams, details she couldn’t possibly have predicted, begin to materialize, she realizes these aren’t just dreams but rather premonitions of a terrifying future.

When Abby steps foot on Isla Colel, she isn’t sure what—if anything—she’ll find. She only knows that she needs to see the place where her fiancée, Eszter, died to try and make sense of the tragic accident. The island is nothing like Abby expected: Though it was once a bustling tourist hub, a hurricane has left it a shell of its former self, with only a handful of residents remaining. Even the once-daily ferry to the mainland now runs every week or so. There, Abby befriends an alluring group of expats, but her sense of unease surges.