Cold Case

Lilly investigates a 1976 case involving a teenage girl who was beaten to death on a tennis court during a party at a plush estate.

The fiancé of a fireman asks Lilly to help prove that a convicted felon, about to be paroled on an unrelated crime, is responsible for the murder of the fireman's first wife. The young mother was killed by a homemade bomb shortly before she was to testify in court against a man who exposed himself to her.

A serial rapist sends a letter to the squad announcing his return to Philadelphia after five years and his plan to strike again. Lilly's best hope of catching the rapist comes from a victim who is able to provide a composite sketch.

Lilly re-investigates the case of a murdered church organist, when his Alzheimer's-stricken widow begins having flashbacks of the night in question.

After a drug addict brings in an audio tape she found on which a fatal shooting is heard, Lilly reopens a 1973 murder case involving the death of a twenty-one-year-old rookie cop. The young officer was shot three times in the chest while responding to a call at a drug-infested housing project.

A petty crook, Ricky, hoping to get a reduced sentence, relates witnessing a young man washing blood out of his car the night a teen track runner was murdered. The young athlete, Paige Pratt, was found shot, and her boyfriend Al Clarkson was originally imprisoned for the crime.