Superintendent Stella Gibson (Gillian Anderson), a Senior Detective from the Met, is seconded to Belfast to supervise a 28-day review into the investigation of the death of Alice Monroe. A.C.C. Jim Burns (John Lynch) recommends Gibson view the case as a single entity, rather than as part of a larger pattern. As reporters begin to descend on Gibson, she asks to be introduced to Sergeant James Olson (Ben Peel), after spotting him at an unrelated crime scene, and she tells him her hotel room number