Adam and Sophie Warner are a married couple who are going through difficult times in their marriage. To save the situation, they decide to spend the weekend on the lake. But on the first day of vacation, Adam, while on a boat with his three-year-old daughter, witnesses the kidnapping of his wife. Adam is inconsolable and hopes that his old friend, detective Lee Huseman, will help him in finding his wife. She collects facts, putting together pieces of the puzzle from the lives of Adam and Sophie into a single whole. During the investigation, the detective realizes that Kristen and Connor Moss, who live in the cottage next door, are related to their spouses much more than they say. Who kidnapped Sophie in broad daylight and why? And what really happened that morning? As the investigation progresses, more questions arise than answers. Who can and cannot be trusted in this confusing game of cat and mouse? Did the witnesses really see what they say? Terrible secrets will come to light, and then everyone will wonder: how much do they know about the strangers they consider their spouses?