The world stood at the brink of total annihilation for 45 years. This is the story of how it finally ended. From the crumbling of the Berlin Wall to the violent execution of Romanian dictator Nicolae Ceaușescu, the Soviet empire faces a total collapse. As Mikhail Gorbachev and George H.W. Bush negotiate the fate of the planet, internal coups and bloody revolutions threaten to turn a cold conflict into a nuclear catastrophe. We explore the endgame of the USSR, the rise of Boris Yeltsin, and the enduring legacy of the Doomsday Clock.