Kate and her three best friends are spending a week with their families in a luxurious villa in the south of France. But soon after arriving, she discovers an incriminating text on her husband’s cell phone. A text revealing that he’s having an affair. And that the other woman is one of her best friends. But which one? Trapped in paradise with no one to trust, Kate is determined to find out who has put her marriage --- and a lifelong friendship --- in jeopardy. But as she closes in on the truth, she realizes that the stakes are higher than she ever imagined. Everyone on the trip has secrets…and someone may be prepared to kill to keep theirs hidden.

Sarah is a young professor struggling to prove herself in a workplace controlled by Alan Hawthorne, whose inappropriate treatment of female colleagues behind closed doors has gone unchallenged for years. And Sarah is his newest target. When Hawthorne's advances become threatening, Sarah is left with nowhere to turn. Until the night she witnesses an attempted kidnapping of a young child on her drive home, and jumps in to intervene. The child’s father turns out to be a successful businessman with dangerous connections --- and her act of bravery has put this powerful man in her debt. He gives Sarah a burner phone and an unbelievable offer. A once-in-a-lifetime deal that can make all her problems disappear. All it takes is a 29-second phone call.

Six days ago, Joe Lynch was a happily married man, a devoted father, and a respected teacher living in a well-to-do London suburb. But that was before he spotted his wife’s car entering a hotel parking garage. Before he saw her in a heated argument with her best friend’s husband. Before Joe confronted the other man in an altercation where he left him for dead. Now, Joe’s life is unraveling. His wife has lied to him. Her deception has put their entire family in jeopardy. The man she met at the hotel has vanished. And as the police investigate his disappearance, suspicion falls on Joe. All he knows is that her actions have brought someone dangerous into their lives --- someone obsessed with her and determined to tear Joe’s world apart.