What did Severide do wrong?
That was addressed on Chicago PD Season 4 Episode 9 when it emerged that there was a deadly car crash in his car.
Meanwhile on this hit drama series, Lindsay contemplated meeting up with her father, who was released from prison.
Also, Lindsay had to speak about her relationship with Severide from a few years back, but did her comments build a case against him?
Use the video above to watch Chicago PD online to get caught up with the latest developments for the characters.
Paul Dailly is a staff writer for TV Fanatic. Follow him on Twitter.