Ignoring Secret Service warnings, Perez and Tosh track down Mathias Soderland. Back on Shetland, a beach memorial service is held for Sally McColl.
Quest roles:
Sean McGinley(Drew McColl), Sophie Stone(Jo Halley), Carolin Stoltz(DI Anke Strøm), Arnmundur Ernst Björnsson(Lars Bleymann), Kåre Conradi(Agent Nielsen), Eldar Skar(Division Organiser), Gail Watson(Mary), Nathan Welsh(Robert Downing)