SEASON FINALE

Forced to cease operations while under investigation by Internal Affairs, Intelligence goes off-book to bring down Reid in Chicago P.D.’s Season 12 finale.

Titled “Vows” the hour also sees Ruzek and Burgess considering delaying their nuptials amid the uncertainty.

“Vows” airs Wednesday, May 21 (10:00PM – 11:00PM) on NBC.

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CHICAGO P.D. -- "Vows" Episode 12022 -- Pictured: Shawn Hatosy as Deputy Chief Reid -- (Photo by: Lori Allen/NBC)