UPTON’S CASE LEADS DOWN A DARK PATH

Upton’s dogged pursuit of a missing teenage girl leads the team into a dark web of human trafficking.

Chief O’Neal becomes involved with the unit’s investigation when it becomes evident his son, Sean, has a connection to the missing girl.

Air Date: Wednesday, Oct. 19 (10:00PM – 11:00PM) on NBC.

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CHICAGO P.D. -- "Pink Cloud" Episode 1005 -- Pictured: Tracy Spiridakos as Hailey Upton -- (Photo by: Lori Allen/NBC)