Oslo tells the true story of how two maverick Norwegian diplomats Terje Rød-Larsen, (Toby Stephens - Black Sails, Private Lives) and Mona Juul, (Lydia Leonard - Wolf Hall, Life in Squares) planned and orchestrated top-secret, high-level meetings between the State of Israel and the Palestine Liberation Organisation, which culminated in the signing of the historic 1993 Oslo Accords.