What did Lindsey think of her biological father?
That was a key question on Chicago PD Season 4 Episode 10 when she decided it was best to just meet him to find out what he had to say.
Meanwhile on this hit drama series, Voight welcomed a new member to the team, but what was their hidden agenda?
Also, Ruzek went on a solo mission that sent him deep undercover.
Use the video above to watch Chicago PD online to get caught up with the latest drama for the characters.
Paul Dailly is the Associate Editor for TV Fanatic. Follow him on Twitter.