Chicago P.D.'s Burgess (Marina Squerciati) and Ruzek (Patrick Flueger) just got engaged in the season finale, but they may not make it down the aisle!

"Their story going forward is this dawning realization for Burgess: Is [Ruzek] just into being engaged?" executive producer Matt Olmstead tells TVGuide.com. "He was engaged when she met him. People buy you rounds of beer, you get to show off the ring. But in terms of picking a date and getting married, that's the divide between the two of them. Is this real or is this just a fantasy someone is playing out?"

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There are of course other obstacles to their eventual wedding. Even though Burgess is done with Intelligence and back on patrol with Roman (Brian Geraghty), there may still be some interdepartmental issues. "It complicates things because two cops who are going to get married is different than being two mail carriers," Olmstead says. "There are different risks involved."

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