Chicago Fire: Season 4, Episode 15

4 - 15: Bad for the Soul

Firehouse 51 responds to an odd call from a neighboring firehouse and the unusual circumstances prompt Severide and Cruz to take the investigation into their own hands to search out the real story. The truck welcomes new firefighter Stella Kidd, but her addition has repercussion inside the firehouse. Meanwhile, Casey moves forward in his run for alderman, but begins to realize that some voters have their own personal agendas for wanting him elected.