The episode revolved around Severide's relationship with Renee Royce (Sarah Sahai), a woman ... was almost derailed by this forgotten Chicago Fire storyline.

This week on Chicago Fire, Severide’s former flame Renée (played by Sarah Shahi) blazes into the firehouse, seeking the lieutenant’s professional help… and possibly something more?

The former Fairly Legal star has landed a multi-episode arc on Chicago Fire, coming on board the NBC drama as Renee Royce, a successful business woman and likely love interest for Taylor Kinney ...

Then later this season, Sarah Shahi (Person of Interest) will reprise her role as Severide’s former girlfriend Renée Royce when the lawyer seeks out her ex’s fire expertise for a case.