From New York Times bestselling author Jane Green comes a riveting story about a friendship that turns ugly when a woman realizes her new best friend is not what she seems.

By all accounts, Lucy's handled her divorce well. She's finally in the cozy, plant-filled house of her dreams. And although she doesn't fit in with the other divorcées-all busy looking for their next ex-she's excited to get down to earth and savor the small joys of life.

When Lucy meets Elle, a hip younger woman who shares her same passions, their connection is instant. Taking a chance on kismet, Lucy forges a friendship that fills her days with meaning. She and Elle are inseparable, from sunup to sundown, enjoying the immediate ease and familiarity of each other's company.

But as Lucy introduces Elle to her circle, a new side of her friend appears. And try as she might, Lucy can't ignore her misgivings. Who is Elle really? And can their all-consuming friendship survive closer inspection?