When a murder reunites former detective Carrie Wells with her old colleague and flame, she must utilize her rare ability to revisit her every memory to catch the killer.

When a young boy witnesses a murder, Carrie must put aside the memories of her sister's death to help him lead the police to the killer.

When a hotel maid is accused of murdering a guest who she says tried to rape her, Carrie takes matters into her own hands to uncover the truth, threatening Al's investigation.

When a crime scene is destroyed in an explosion moments after Carrie catches a glimpse of the room, her memories become a crucial piece of the investigation.

When Al's ex-partner is gunned down and the investigation reveals he may have been a dirty cop, Carrie must decide how to support him without getting too close.

Carrie's investigation into the death of her sister moves forward, but her inability to let go may hinder the search for a missing infant whose father was murdered.

Carrie and Al investigate the death of a public defender, only to discover that the killer has a larger plan which may lead to a second murder.

Al and Carrie investigate the murder of a teen who seemed to have no enemies. Meanwhile, Carrie looks to her estranged aunt for help with the investigation into her sister's murder.

When a second murder suddenly occurs at an active crime scene, Al and Carrie must wade through hundreds of bystanders to uncover if it was retribution or an unrelated attack.

When a renowned ghost hunter is killed, Carrie and Al discover that his death is linked to a chilling discovery he made on a recent assignment.

When a construction worker with a promising future is murdered, Carrie and Al wonder if his ties to the mob were the cause of his death or an unrelated coincidence.

A routine investigation into a college student's death takes a disturbing turn for Carrie when a suspect makes a dangerous move to outwit her memory.

A serial killer with knowledge of Carrie's memory abilities taunts the Queens PD as his list of victims grows.

During a murder trial in which a real estate mogul is accused of killing his wife, a key witness disappears. Carrie and Al must find the witness and solve the case within 48 hours, or all charges against the defendant will be dismissed.

A murder victim is found in the middle of a ballpark. The victim is a bank manager involved with a robbery at his bank, while his girlfriend reports he is a good, clean guy to Carrie.

Al and Carrie are forced to the sidelines by a negotiator when the father of a suspect that Roe shot takes members of the Queens PD, including Nina, hostage in a desperate quest for justice.

Carrie finds the true identity of her nemesis, Fred, who also gives her not only clues to the current homicide investigation of a tennis player on the comeback trail but also offers a clue in the death of Rachel, Carrie's sister.

Carrie meets Steve's parents and other mob related friends at the opening of his restaurant and is taken off a case because of guilt by association: her romantic friendship with Steve.

The investigation of a research lab fire has the fire marshal reluctant to say the "B" word because the suggestion would mean post 9/11 red tape interference until Carrie tells him where the detonator is she passed in the hallway.

Carrie arrives at a murder scene not knowing it was of Walter Morgan, her nemesis who held the clues to the death of Carrie's sister Rachael.

When a murder occurs in Syracuse which mirrors the death of her sister, Carrie and Al travel upstate to confront the suspect. (Elias Koteas guest stars)