Kempson is sent to the police department archives to rot - there he tracks down the perpetrators of long unsolved crimes.

A father is kidnapped and held captive by two sisters who want revenge for their double-rape a decade previously. But what if they have the wrong man?

A young woman goes missing when her car breaks down one night. Her body is found in a national park. When similarities are found with a previous disappearance, Jack picks up the pursuit of both cases.