A mother and infant son disappear, but it turns out to be a fake kidnapping to protect them from a dangerous man from the father's past. But it turns out that a dangerous man from the mother's past puts the plan in jeopardy.
The CEO of a failing ski supply company disappears after his plane crashes in the Pennsylvania woods, and the team thinks it's connected to his millionaire father. Meanwhile, Martin gets new disturbing news about his girlfriend.
Jack's daughter's boyfriend disappears soon after he moves from Chicago to New York to be with her. Samantha struggles with a complication in her home life, and Danny and Elena prepare for their wedding.
A former diver disappears, and his girlfriend is kidnapped. Meanwhile, Jack's daughter wants to move back to Chicago, Sam must choose between Jack and Brian, and Danny and Elena plan to get married that evening.