Lilly Rush investigates a 1976 case involving a teenage girl that was beaten to death on a tennis court during a party at a well known estate.

Lilly is asked by the fiance of a fireman to help prove that a convicted felon, who is about to be paroled on an unrelated crime, is the murderer of the fireman's first wife.

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.In the end also,after the age of the five years also things are going to be do like the same also.

An investigation gets re-opened after a woman with Alzheimer’s begins having flashbacks of her murdered husband’s death. Lilly’s investigation gets harder when both Mitchell’s son and daughter start demanding that she close the search for good.

Lilly reopens a 1973 murder case after a drug addict brings in an audio tape that she found that had a fatal shooting recorded on it.

Lily reviews the case of a man who has been falsely imprisoned for the murder of his then girlfriend a, high school track star.

A 1963 case about a young gay baseball player is reopened when his mother comes to town.

The case of a young woman who was thrown from a second story window. Putting her in a coma and killing her daughter is reopened.

Lily gets a cryptic call from a man claiming to have murdered his grandmother in 1989. This call starts a chain of events that leaves Lily in a very dangerous position.

The case of a teenager who was shot while hitchhiking from Atlanta to Philadelphia.

A professor who's career ended in disgrace asks Lily to reopen the case that lead to his downfall.

Lily and Scotty look into the 1980 case of an eight year old boy found dead in an alley snow drift.

The case of a 1935 black woman who was murdered and assumed to be a prostitute is reopened at the behest of the granddaughter she never new.

Lilly and Scotty reopen the 1958 case of an orphan found dead in a field. While investigating a strange connection between the boy and the nuns who cared for him is discovered.

A young man thought to have died in a disco fire is reopened after evidence suggest the man was shot before burning.

When the skeletal remains of a couple are discovered under the foundation of an old building. The case progression leads Lily to believe the two may have been professionally killed.

When a prominent high-school basketball player gets a death threat. Lily reopens the case of his father who was murdered after receiving a similar letter.

A drunk driver's hit-and-run confession leads the detectives to discover that foul play may have killed the victim.

The 1992 murder of a woman on her way home from the Democratic National Convention. Leads the detectives to a present day Congressman and his sister.

The chairman of Eurisko, a computer corporation, is found electrocuted in an executive bathroom. An old partner of Mulder's asks him to help, and they soon track down the computer genius responsible for the main operating system. They must shut it down, but it has other plans also in the end of the episode.

The 1989 murder of a woman is reopened when the only witness her son starts to show behavioral problems.

An anonymous letter claims that the death of a well known swim coach at a local military school, may not have been the accident it was previously thought.

DNA evidence prompts Lily to reopen the case of a fifteen year old girl when her convicted murderer is exonerated.