High-powered businesswoman Lana Rubicon has a lot to be proud of: her keen intelligence, impeccable taste, and the L.A. real estate empire she’s built. But when she finds herself trapped 300 miles north of the city, convalescing in a sleepy coastal town with her adult daughter Beth and teenage granddaughter Jack, Lana is stuck counting otters instead of square footage—and hoping that boredom won’t kill her before the cancer does.

Welcome to picturesque Provence, where the Lady of the Chateau, Séraphine Demargelasse, has opened its elegant doors to her granddaughter Darcy and her three friends. Twenty years earlier, the four girlfriends studied abroad together in France and visited the old woman on the weekends, creating the group’s deep bond. But why this sudden invitation? Amid winery tours, market visits, and fancy dinners overlooking olive groves and lavender fields, it becomes clear that each woman has a hidden reason for returning to the estate after all these years.

Twenty-two-year-old Olivia has been missing for one day…and counting. She was last seen on CCTV, entering a dead-end alley. And not coming back out again. Julia, the detective heading up the search for Olivia, thinks she knows what to expect. A desperate family, a ticking clock, and long hours away from her husband and daughter. But she has no idea just how close to home this case is going to get.

Josh Baxter, the man behind the wheel, is a virtual stranger to Charlie. They met at the campus ride board, each looking to share the long drive home to Ohio. Both have good reasons for wanting to get away. For Charlie, it’s guilt and grief over the shocking murder of her best friend, who became the third victim of the man known as the Campus Killer. For Josh, it’s to help care for his sick father - or so he says.

When Kiersten McCann, president of the West Hollywood Moms’ Club, turns up dead in her own pool, it quickly becomes clear this wasn’t an accident. And the party guests—all members of the exclusive club—are now key suspects in her murder. Accusations fly, and three mothers find themselves at the center of the investigation. Whitney, Brooke, and Jade all have heavy secrets to bear…and possible motives for their friend’s murder. But as the police look closer, more secrets, betrayals, and sinister plots are revealed than the women could ever imagine.