Isabelle Austen returns to her hometown on a small, isolated Pacific Northwest island to take over the family tourism business after the death of her mother. Feeling lost, Isabelle is also struggling with a recent divorce and wondering if she’ll ever come into her own. Then her life takes a surprising turn: The mysterious Henry North arrives on Parrish Island and changes her world forever. From the beginning, their relationship is heady and intense. But then Isabelle learns of Henry’s disturbing past, involving the death of a fiancée and the disappearance of a wife. Suddenly Isabelle is caught between love and suspicion, paranoia and passion, as she searches for the truth she may not want to find --- and is swept into a dangerous game she may not survive.

When Callie McBride finds a woman’s phone number written on a scrap of paper her husband has thrown away, she thinks that her marriage is over. Callie flees to Nevada and her Aunt Nash’s Tamarosa Ranch, where she is shocked to see that the place of so many happy childhood memories is in disrepair. Once Callie pulls back the curtain on Tamarosa’s heyday --- the 1940s and ’50s, when high-society and Hollywood women ventured to the ranch for quickie divorces and found a unique sisterhood --- she uncovers a secret promise Nash made to her true love.

Dani’s husband, Ian, disappears without a trace from their houseboat in Seattle. Panic and disbelief soon give way to grief --- either he's been the victim of foul play (which is what the police assume), or he's determined not to be found. But Dani won't rest until she learns what happened to him. Her quest will dredge up dark memories from the past, and will force her to confront unpleasant truths about her relationship with Ian.