We have a newbie!
On Chicago Fire Season 4 Episode 15, there was a new firefighter added into the mix, but she brought a lot of baggage with her. Consider us intrigued, that's for sure.
Elsewhere, the team responded to a suspicious call from a neighboring firehouse that led them on a dark path.
Also, Casey moves forward in his run for alderman, but did anyone have a problem with it?
Use the video above to watch Chicago Fire online and to see how each of these storylines transpired.
Then, respond to the new addition in the Comments section below.
Paul Dailly is a staff writer for TV Fanatic. Follow him on Twitter.