A group of friends set off into the Scottish Highlands in search of a long lost cabin. Once far from civilization, an unforeseen tragedy befalls the group and one bad decision leads to suspicion, betrayal and murder.
The sharp, witty and enigmatic DI Annika Strandhed, as she heads up a new specialist Marine Homicide Unit (MHU) that is tasked with investigating the unexplained, brutal, and seemingly unfathomable murders.