Lindsay and Halstead respond to a call of shots fired at a residence and discover a traumatized young girl who survived a shooting that killed her entire family. The Investigation:

For more episode details and cast information, you can check the official pages on IMDb and Apple TV. Chicago PD Season 3 Episode 22 Review: She's Got Us

, a pyramid scheme "self-help" group the family was involved with. While this provides a motive for potential disputes, the investigation shifts when they discover a neighbour owns a weapon matching the ballistic profile of the crime. Psychological Deep Dive: Dr. Charles from Chicago Med

The team eventually arrests a suspect named Gerald for statutory rape involving one of the daughters, but Polly identifies a man named Lewis as the killer.

Despite their feelings for each other, Burgess decides her future is still in Chicago as a police officer. The episode concludes with a heartbreaking farewell as Roman chooses to leave the city—and her—behind. Subtle "Hot" Moments