PC Kat Crichton is forced to confront her past when assigned to the murder of a member of the affluent Maclean family on the Isle of Harris.

Kat fights to gather evidence to implicate Sir Douglas but the pressure exposes new revelations that change everything.

DCI Halim is set on wrapping up the case, but Kat isn’t convinced Sir Douglas’ account is the full story.

With her career hanging in the balance, it’s Kat’s last chance to prove Sir Douglas’ guilt. In this last battle of wills, can Kat uncover the truth in time?