The MPU investigates the abduction of a young child, whose abduction is likely revenge related to her father's work.

Jason, Nikki and the MPU team investigate when a woman runs down a man and forces him to get in her car at gunpoint. Meanwhile, more information about Keith's kidnapper comes to light.

A foster care worker is reported as missing, but after he ends his own life, the MPU starts to investigate a pregnant woman he was seen with who has been missing for two years. Meanwhile, Sidney follows Keith and fears he may be dangerous.

Jason and Mike search the Allegheny Mountains to find a missing couple. Meanwhile, Keith joins a trauma therapy group and bonds with another patient.

When a bride goes missing on her wedding day, Mike and Kemi discover the woman was living a deceptive life. Meanwhile, the mystery surrounding Keith's disappearance starts to unravel as he tells Jason and Nikki more details about his time in captivity and leads them to a cabin where they find a horrifying scene.