How did Platt manage to move on in the aftermath of being attacked?
That was addressed on Chicago PD Season 4 Episode 4 when the team moved on to a new case that involved a car plowing into a crowd.
Upon investigating, the team feared it could have been terror related, but did they find out the truth?
Meanwhile, Burgess spotted Atwater's brother somewhere he should not be.
Use the video above to watch Chicago PD online to get caught up with the latest developments for the people who keep Chicago safe.
Paul Dailly is the Associate Editor for TV Fanatic. Follow him on Twitter.