Under the cover of the bonfire night celebrations a young and troubled mother is shot dead, and her murder is remarkably similar to three murders thirty years before. DCI Butler and his colleague, Jeff Mason, are convinced that the murders are somehow linked, but when Jeff's deceased father comes under suspicion for the first three shootings, and his brother for the latest, he is removed from the investigation. In his desperate attempts to clear the family name, he discovers that there are more dirty skeletons in the cupboard than he could ever have imagined...