DI Jimmy Perez is a native Shetlander who has returned to the islands with a desire to protect the archipelago from inevitable change. Together with his trusted colleagues, Perez works on a number of challenging cases, including one which involves the remains of a missing person which are found at various locations along the beachfront. During this murder case, Perez and the team work together in order to comprehend the horror of the scene and track down the culprit who is nowhere to be found.