With Algeria on the brink of a civil war, Elizabeth delicately negotiates a regime change, but her plans go awry when Roy Curtis (Dakin Matthews), the trusted U.S. Ambassador to Algeria, dies unexpectedly.With Algeria on the brink of a civil war, Elizabeth delicately negotiates a regime change, but her plans go awry when Roy Curtis (Dakin Matthews), the trusted U.S. Ambassador to Algeria, dies unexpectedly.