In the heady swelter of a suburban summer, the Elm Hill lido opens.For teacher Natalie Steele, the school holiday typically means weeks of carefully planned activities with her husband Ed and their daughter Molly. But not this year.Despite Molly's extreme phobia of the water, Natalie is drawn to the lido and its dazzling social scene, led by the glamorous Lara Channing. Soon Natalie is spending long, intoxicating days with Lara at the pool - and intimate evenings at her home. Natalie's real life begins to feel very far away.But is the new friendship everything it seems? Why is Natalie haunted by memories from another summer years ago? And, without realising, has she been swept dangerously out of her depth?About the AuthorSince graduating from University College London, Louise Candlish has had various jobs in publishing and journalism, most recently working as a copywriter for a new media agency. She left her job to spend time in Italy, where she wrote Prickly Heat, and now lives in London with her partner and young daughter.