The Philadelphia homicide squad's lone female detective finds her calling when she is assigned "cold cases". Detective Lilly Rush combines her instincts with the updated technology to bring about justice for all the victims she can.

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 link to solving the cases.—ahmetkozan