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.
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 as 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.
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 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 triple murder of a couple running a restaurant and their employee is reopened when it is revealed in court that the man who was originally charged with the crime was robbing a store at another location at the time of the murders.
Outside a prison, the bones of an inmate who tried to escape during the broadcast of Johnny Cash's prison concert in 1968 are found in an old underground escape tunnel. Suspiciously, that inmate was supposedly killed inside the prison at another time...
The team investigates the 2000 slaying of an up-and-coming Connecticut prosecutor who was about to try a high profile murder case. The early investigation discovers that prior to his death he seemed to have been heavily distracted by something.
In the early 90's, the death of a mentally handicapped teen has been reopened. Drawings depicting the incident at the railroad tracks surface, which indicate it may not have been an accident as originally believed.
An old truck is found in a river with human remains inside, leading the team to re-open the case of a girl who disappeared in 1932. When the girl's former best friend is interviewed, questions arise: just best friends, or forbidden love?
After a teenage girl who was dumped in the garbage by her parents 17 years earlier is approached by a man claiming to be her father, the team re-investigates the hit and run death of her father, Jimmy in 1988.
The case of a baseball player beaten to death with his own bat is reopened, and it's discovered that he had many enemies, and that his white girlfriend sparked even more racism and prejudice towards him.
A former mental patient named Betty Petrowski dies. The woman's only child, her son Otis, is called to identify the body and finds it is not the body of his mother. Det. Rush and her colleagues begin the search for Otis' real mother.
The friendly owner of a local grocery store is murdered and Lilly reopens his case, finding that Frank was having issues with his rebellious son, his son's trashy friend Stump and his employee, Ricardo.
A corrupt cop's suicide leads to new questions about an old murder, challenging Detective Jeffries' belief that the man on death row for the crime is guilty -- and also putting Jeffries on a collision course with an arrogant ADA.
The "accidental" death of a woman newspaper columnist in 1943 is reinvestigated when old newspaper files indicate that the author of the "Hey Lo" column could have been murdered by a Nazi officer posing as a Dutch Jew.
The recent case of a counselor working at a rehab center for drug-addicted youth is reopened, but there's much more going on than meets the eye. Detective Rush starts to cross the line of ethics as she becomes too emotionally invested.
Rush and the team try to solve the murder of a soldier who was deployed in the post-9/11 War on Terror, only to discover that she was having trouble coping with her trauma and holding her family together at the same time.
The team reopens a case from the 1970's in which a timid housewife and schoolteacher was murdered. They soon learn that she was going through a rebellion at the time and attending sexy key parties, much to her daughter's horror.
In 1994, three little boys are murdered in a swimming pool, and everyone blames the two grunge kids from the low-class part of town. Years later, Rush reopens the case after one of the convicted kids takes his own life.
The 1960's case is reopened of a young girl named Samantha ("Sam") who was relentlessly teased and even groped at one point for dressing like a boy, after which she was found murdered and left in a river.
In 1962, a woman's death is ruled a suicide. Her granddaughter asks the team to investigate her suicide after she provides them with newer evidence she hopes will prove that her grandmother's suicide was actually a murder.
A fan of a 50s pin up girl comes forward with a new lead in the shooting death of the girl. A photo revealing the killer may not have been a random break in as believed. Could it have been her photographer, manager, best friend or stalker?
When one of their own is shot and taken to an intensive care unit, the Cold Case team try to figure out who shot him and an elderly convenience store owner. Vera feels guilty for the incident since he was there at the time.
A young female soldier's murder is reopened and the Cold Case team learn that she was assaulted, harassed and teased while in the military academy before her untimely death. Meanwhile Lilly Rush faces a serious threat.
Lilly Rush nearly drowns after being run off the road on a Philadelphia bridge. She goes back to work as usual, invested in the case at hand, but notices that there's something very strange going on with her own mind.
A young jazz musician, whose father is a strict clergyman, was beaten to death by a bottle in 1970. The investigation is reopened at the request of the son of the victim. Meanwhile, an unexpected person comes to meet Rush.
The 1986 murder of a jockey is investigated after his body is discovered in a mass grave for horses. The victim disappeared shortly after after losing a race that he had planned to be his finale before retiring.
The team re investigates the death of a young man who was an outstanding debater and was being offered a college scholarship who supposedly killed himself. When someone tells them that he feared for his life.
The team reopens the case of a dock worker who was moonlighting as an indy-circuit wrestler until he was shot dead in 1986, and Valens secretly looks into a lead on the man who mugged and raped his mother.
Detective Vera struggles with the guilt of wrongfully charging a father with arson and murder, succumbing to reckless behavior and a deep depression. Will the Cold Case team be able to help their colleague?
When ballistics tie a recent murder case of Rush's to a serial killer who was seemingly inactive for 27 years, a tough FBI agent with ties to Stillman shows up to enlist the team's aid in finding the killer who has eluded her for 30 years, on Part One of a two-part episode.
Rush and FBI agent Ryan Cavanaugh discover their attraction for one another while investigating the 1969 murder of a GI at Woodstock, and Vera helps his married ex-girlfriend, Megan, after sentimental jewelry is stolen from her home.
Pictures developed from a disposable camera leads the team to reopen the investigation into the death of a prom queen, who was the victim of a hit-and-run accident. Lily's troubled sister reappears, but she is reticent to assist her.
Valens partners with Rush to locate her sister, who was abducted from her drug-littered motel room, and Jeffries tries to bring justice and closure to a long-suffering mother whose daughter's murder case has remained unsolved for 17 years.