What changes did Brett make?
That was addressed on Chicago Fire Season 5 Episode 13 when she strived for change in her life.
How did her friends react to the change in her demeanor?
Meanwhile, Boden and House 51 faced the heat after undercutting a superior.
Also, Severide found himself in a tough spot when he had to make a decision about his life.
Use the video above to watch Chicago Fire online to get caught up on the latest drama for the characters as they keep Chicago safe.
Paul Dailly is a staff writer for TV Fanatic. Follow him on Twitter.