Perez must re-assess the investigation in the aftermath of the attack. The MIT arrives on Shetland and sets its sights on Malone. Meanwhile, Tosh begins to have doubts about Lars.
Quest roles:
Sophie Stone(Jo Halley), Carolin Stoltz(DI Anke Strøm), Arnmundur Ernst Björnsson(Lars Bleymann), Gail Watson(Mary), Nathan Welsh(Robert Downing), Eleanor Matsuura(DI Jessie Cole), Tony McGeever(DS Ian Jackson)