Perez is on the trail of an attacker, Tosh investigates an oil company in the hunt for Sally's killer, and DNA testing in the Kilmuir case yields a surprising result.
Genres: Crime , Drama , Mystery
Keywords: investigation , island , murder-investigation , parent-child-relationship , police , police-detective , scotland , small-community , small-town-murder , latest-web-series-online , tv-shows-online , shetland