Alert: Missing Persons Unit Episode Rating Graph

When a young woman is kidnapped and locked away to freeze to death, the MPU suspects her boyfriend or his father might know more than they're letting on. Meanwhile, Wayne uses her connections to try and get a job at the MPU, and Kemi is put in a dangerous situation while on the case.

When an Army Lieutenant, and the wife of Houston’s old Army buddy, is kidnapped, MPU suspects a Major who the victim had reported for harassing women at the base. However, Jason and Mike learn that the victim and her husband were having marital and financial issues, leading them to uncover a dangerous and deadly weapons trade.

The MPU is on the case when a young hockey player goes missing during a fight with an opponent on the ice. Kemi is unexpectedly reunited with a face from the past. Nikki runs interference with Braun when Jason dives deeper into the car bombing murders.

As the MPU struggle to adjust in the wake of tragedy, they are forced to jump into action when a muralist goes missing after painting a piece on a local rooftop; the missing person's mother reveals that he was scheduled to donate his rare bone marrow to his dying brother, who needs surgery within the next 48 hours in order to survive.

After a collegiate women’s rowing team goes missing during morning practice on the river, MPU deduce that their boat was sabotaged. When Kemi finds evidence connecting one of the girls to Irish mob boss, Charlie McGannon, Nikki confronts him as Jason and Mike interrogate a rival Polish mobster who may have intel on the girls location. Meanwhile, Jason explores his fear of commitment with Wayne, who’s now paroled.

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.

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. Meanwhile, Kemi expresses her concerns for Sidney's wellbeing to Nikki and Jason.

When a brewery foreman is kidnapped after arguing with his CEO over safety violations, MPU finds evidence that suggests that the victim was taken by competitors over a stolen beer formula. Also, Bennett’s ex, who is also Houston’s step-son, threatens to make her life hell for interrogating his client without representation.

Sidney, upset that Jason and Nikki don't believe her claims about Keith, comes clean about the details surrounding the day of his disappearance, causing Jason to cast serious doubt on the boy claiming to be his son. Meanwhile, Mike's police mentor brings a missing officer's case to the MPU team.

Mike is taken back to his first unsolved case when the remains of an Amish man surface seven years after his murder. After he reconnects with the man's family, the wife of the man mysteriously goes missing, prompting a massive search and disclosing a web of deceit.

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.

When a limousine filled with teenagers, including a Senator's son, is hijacked on the way to prom, MPU discovers that the ex-girlfriend of one of the victims may have been the actual target. Now, Jason, Mike and the team must race to the prom in order to save the girl before it's too late.