Threads is a 1984 British-Australian apocalyptic war drama television film jointly produced by the BBC, Nine Network and Western-World Television Inc. Written by Barry Hines and directed and produced by Mick Jackson, it is a dramatic account of nuclear war and its effects in Britain, specifically on the city of Sheffield in Northern England. The plot centres on two families as a confrontation between the United States and the Soviet Union erupts. As the nuclear exchange between NATO and the Warsaw Pact begins, the film depicts the medical, economic, social and environmental consequences of nuclear war.