A group of survivors attempt to live normal lives in post-apocalyptic Australia, waiting for the inevitable arrival of killer radiation.

The unnerving procedural thriller painstakingly details an all-too-plausible nightmare scenario in which a mechanical failure jams the United States military's chain of command and sends the country hurtling toward nuclear war with the Soviet Union.

After a devastating nuclear war, a young woman and a scientist begin to build a bond of trust, one that is tested when a stranger arrives in their valley.

A group of paranoia-inspired, war-happy generals manage to initiate an "accidential" nuclear apocalypse. Joint Chief of Staff "Buck" Turgidson and Air Force Strategic Commander Jack Ripper, order a bomber squadron to attack the USSR. This triggers a Soviet secret weapon called the 'Doomsday Machine.' The weapon is a diabolical retaliatory missile system. In an attempt to advert this catastrophe, British Captain Lionel Mandrake becomes the only person...