The story revolves around Philadelphia homicide detective Lilly Rush, who investigates long-unsolved crimes driven by the belief that people should not be forgotten.
Lilly Rush is a Philadelphia police detective working for the department's homicide squad and being assigned 'cold cases': crimes that were committed many years before and have not been solved. Lilly must try to re-think the crime scenes and interview other people involved with the victims to find a...Read more link to solving the cases.
In this part, Detective Lilly, who works for the Philadelphia Police Department, returns to her investigations into murders that occurred long ago and were closed due to a lack of sufficient evidence to convict the perpetrator. She uses modern science, which was not available at the time, to find...Read more new evidence that will unravel the mystery of these crimes.
In the sixth season, Lilly Rush, a Philadelphia homicide investigator, remains dedicated to solving unsolved murder cases. The murders of a model in 1953, a young teacher in 1991, and a football player in 1973 are among the cases.