Lt. Severide teams up with Seager and the OFI when a motel structure fire turns suspicious. Firehouse 51 members become amateur sleuths following a Reddit post involving one of their own. Brett continues to get invested in her birth mother, Julie.
| Creator | Derek Haas |
|---|---|
| Actor | Taylor Kinney, David Eigenberg, Joe Miñoso |
| Country | United States of America |
| Production | Universal Television |