The MPU investigates the abduction of a young child, whose abduction is likely revenge related to her father's work.
The team investigates when a woman runs down a man and forces him to get in her car at gunpoint; more information about Keith's kidnapper comes to light.
The MPU searches for a college student after she goes missing during a house party. Sidney and Keith try to adjust to normal life again.
The MPU works to track down the kidnapped son of a doctor, but the case takes a turn when his mother gets in direct contact with the kidnapper. Kemi expresses her concerns for Sidney's well-being to Nikki and Jason.
A foster care worker is reported as missing, but after he ends his own life, the MPU starts to investigate a pregnant woman with whom he has seen and has been missing for 2 years. Sidney follows Keith and fears he may be dangerous.
Jason and Mike look for the Allegheny Mountains for a missing couple. Keith connects with a patient at a trauma therapy group.
Jason and Nikki protect a twin sister when a missing person case turns into a possible murder investigation. Kemi helps C with his dating life. Keith gets reckless.
Sidney comes clean about the information surrounding the day of Keith's disappearance, causing Jason to cast serious doubt on the boy claiming to be his son. Mike's police mentor brings a disappeared officer's case to the MPU team.
When a bride disappeared on her wedding occasion, Mike and Kemi get to know that the woman was living a deceptive life.
The mystery surrounding Keith's disappearance starts to unravel as he tells Jason and Nikki more information about his time in captivity and take them to a cabin where they find a horrifying scene.