Detective Lilly Rush interviews a maid who says she witnessed the beating death of a teenage girl during a party on a luxurious estate more than 25 years ago.
Lily re-investigates a 1980's murder where a young housewife was blown up by a bomb in her backyard. Meanwhile, the victim's now-grown daughter is bothering a pervert whom she believes is the killer, but is he?
When a serial rapist sends a letter to the squad announcing his return to Philadelphia after five years, the team re-investigates the 1998 murder of a college student who was believed to be one of his victims.
Lily looks into a man's murder that led to the dissolution of a religiously-involved family, but she finds something fishy about every member of the former household.
A petty thief, hoping for a reduced prison sentence, relays information pertaining to the night in 1981 when a high school track runner was fatally shot, placing doubt on the guilt of the man now serving a life sentence for the crime.
After two years in a coma, a mother wakes in the hospital. Rosie hardly remembers the night she and her daughter were thrown out of a window, killing her daughter. Lily and Scotty look into the case and find a whole nest of bad secrets.
The team is searching for a suspected serial killer. The murders started with a young man who was hitchhiking home from the casino after winning $3000. They have little to go on other than a boot print.
A young college girl had been killed several years earlier and laid out in a pond. The college professor, with whom the girl was having an affair, was always suspected but there was nothing solid to go on. Another girl is killed the same way.
The 1939 case of a young lady living in a boarding house for "women of color" is reopened and Rush tries to solve it for Sadie's daughter, who has been ashamed of her own heritage since the murder.
The 1950's notorious cold case of the "boy in the box" is reopened and it's discovered that he resided in a Catholic orphanage with his sister until his sudden adoption before his death.
The team investigates a 1978 case where 22 people were killed in a fire at a popular disco after new evidence shows that one of the victims was shot before the fire.
Two decaying skeletons are discovered in an old building. Rush and the team learn that they were two hippies working for an underground group who were murdered in 1969.
An up and coming basketball player on the way to making it big is found dead on a street playground. Was it a street robbery gone bad, an overly competitive player who wanted his slot or something else?
A man is found shot to death in his driveway. The team re-open a 1992 murder of a young woman, a Democratic worker, who went missing after leaving a political event on Election night.
The team reopen the 1980's case of a wealthy corporate stockbroker who set up a Ponzi scheme and left many colleagues broke when it crashed, after which he was murdered in an apparent carjacking.
A young man arrested for robbing a little old lady reluctantly gets the team to reopen the case of his mother, who was stabbed to death in 1989 when he was three years old. They discover the story goes much deeper than just her murder.
The Team gets an anonymous letter saying the 1999 accidental death of a swim coach at a military academy was the result of a carefully orchestrated plot.
The team reopens the case of Eve, a fifteen-year-old raped and murdered in 1986 after getting involved with a sleazy adult man who promised to make her a famous pop star if she'd run away with him.
