Sam's investigation into an army killing in Northern Ireland thirteen years before seems to suggest that someone has set out to exact revenge. Her personal life is complicated by the arrival of D.I. Connor's wife.
When a body is found between the blades of a harvesting machine, Sam is called to the scene to examine the body. At first it looks like an accident, but when the body is re-examined later, a wound is discovered that was not made by the harvester. As Sam delves deeper, she discovers that the case could have something to do with someone's past in Northern Ireland.moreless
Sam is frustrated by the apparent lack of interest in the deaths of a drug addict, her daughter and her dealer. She develops her own lines of enquiry, and wonders whether the police, a doctor or a social worker may be implicated.
Investigating the drug-related death of a single mother and her child, Sam finds herself tangled in a web of lies, corruption and revenge - as she attempts to uncover the truth behind the deaths.
Police are called to the Franklin house, where there is evidence of a violent confrontation, and no sign of Suzy or Kate. Claims that Gemma had been having an affair with her mother's husband complicates the investigation.
Sam is called to the scene of the death of a Gemma Boyd, who appears to have fallen down the stairs. Sam believes that she has actually been pushed and sets out to find her killer.
A student is murdered, and police suspect a connection with the murder of lecturer Annabelle Evans. Sam, pursuing her own line of inquiry, finds herself embroiled with a dangerous psychopath.
While Sam is giving lectures at the university, a fellow lecturer is found murdered and Sam is called to do the examination. She finds it difficult as she knew the victim, but she still strives to find the answers to unanswered questions.