Chicago Fire - Season 1 Episode 23 -

In the wake of Hallie's death, Casey must join forces with Sergeant Voight and his team in order to track down her killer, even though it means putting his own life in danger. Peter is still shaken after Gabby's confession and that might hurt their relationship. Leslie is very excited as she's about to get inseminated. Also, while preparing for the grand opening of Molly's, Otis convinces his partners to let him hire his Russian cousin as a waitress.