Why did Dawson's father show up in Chicago?
That was addressed on Chicago Fire Season 5 Episode 21 when it became apparent that there was something that needed to be discussed.
Meanwhile, Cruz found himself in a tough spot when an off-duty incident cast a dark shadow over Firehouse 51.
Also, Casey went to war with a big politician to get his measure for first responders past, but did he win?
Use the video above to watch Chicago Fire online to get caught up with the latest drama for the characters.
Paul Dailly is a staff writer for TV Fanatic. Follow him on Twitter.