Naomi and I are best friends. School runs, dog walks, a shoulder to cry on over a glass of wine - we’re inseparable. But now my husband has walked out, I need her more than ever. I know she will help me pick up the pieces. Because she knows about the lie I told to protect her. She knows how much I’ve sacrificed for this friendship. And she’d never let anyone hurt me. Would she?

Maggie is a husband watcher. A snooper, a marriage doctor, a destroyer of dreams, a killer of happy ever afters. She runs her own private detective agency specialising in catching those who cheat. Helene is a husband catcher. A beautiful wife, a doting stepmother, a perfect homemaker and a dazzling presence at parties. She has landed herself with one of the most eligible bachelors in town - handsome property developer Gabe Moreau. Alice is just a teenager. A perfect daughter to Gabe, a kind stepchild to Helene, a tragic girl to a dead mother. 

The 10-day retreat at boutique health-and-wellness resort Tranquillum House promises healing and transformation. Nine stressed city dwellers are keen to drop their literal and mental baggage and absorb the blissful meditative ambiance while enjoying their hot stone massages. They are all on a path to a better way of living. Or at least a better waistline.... Watching over them is the resort's director, a woman on a mission to reinvigorate these bodies and minds. But to what lengths will she go to achieve her goal? These nine perfect strangers have no idea what's about to hit them.

Robert kisses his wife on the head before heading out to the shop for more wine; he walks up the hill, takes a left across the footbridge, and jumps to his death on the busy motorway below. Two years later, Francesca and her young daughter are leaving London for a fresh start. Money is tight, and Robert’s mother has found them a little cottage in her village. Francesca is grateful for the help, but why does Robert’s mother want to keep them so close? Does she know about what Francesca did in the hour before Robert’s death?

Faye Townsend has planned the perfect summer trip for her family. But returning to the small seaside town her husband grew up in does not go to plan - the rain pours, and the long days become stifling. And then the unthinkable happens.... Her husband, Jake, and her six-year-old son, Dylan, go for an early morning walk along the beautiful, windswept clifftops. They don’t come back.