Watch Chicago PD Online: Season 10 Episode 12Paul Dailly at .
Was Upton pulled in the wrong direction?
On Chicago PD Season 10 Episode 12, Sean O'Neal surprised her with a call from prison, revealing sensitive information.
Upton tried to keep him at a distance, but she realized she needed to get closer.
As the team mobilized, it was down to a small window of time to win all of the classified intel.
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Paul Dailly is the Associate Editor for TV Fanatic. Follow him on Twitter.