Chicago Fire is back with new episodes of season 11 on NBC. It's a series that has introduced many characters over its run.

The city of wooden buildings and raised wooden sidewalks is ripe for the fire that will destroy three-quarters of the city. Chicago ... the way round we encountered thousands of people; but ...

Now, ahead of Sylvie Brett’s final episode, we finally have answers. Read on to learn why Kara Killmer decided to exit Chicago Fire and all the details surrounding her bittersweet last episode.