Close to the Enemy 1x4 - Series 1, Episode 4

Kathy and Callum successfully prevent a war criminal fromleaving the country, but is he too important to prosecute?Callum is instructed to get rid of all information pertainingto individuals of interest, while also having to court theimperious Frau Bellinghausen who holds the key to an infamousperfume. Callum juggles these new demands as his relationshipwith Rachel intensifies and becomes more compromising. Victorand Kathy make the most of Callum's distractions to findwhatever his department has been hiding. Callum begins torealise that he is not the free agent he has always believedhimself to be. Callum's dealings inside the hotel bring himcloser to Harold, an ex-Foreign Office official and hotelregular, who reveals some startling truths about the outbreakof the war. Meanwhile, the friendship between Dieter andCallum is threatened as it is believed that Dieter may havestood by as innocents in labour camps perished under the ruleof the Nazi party.