Preparing for war against the Soviet Union, the US starts to test thermonuclear weapons. The CIA forms and interferes with global politics.

The US and Soviet Union get caught in a nuclear arms race. A wall divides Berlin. John F. Kennedy looks for a peaceful solution after a crisis in Cuba.

With both sides planning for the worst-case scenario, Ronald Reagan and Mikhail Gorbachev find common ground. Tragedy strikes after a nuclear disaster.

The USSR's grasp on Eastern Europe weakens as the Berlin Wall comes down and the Communist Party mounts a coup against a prominent Soviet Union leader.

A new Russian leader emerges, and the republics seek independence. As the Soviet Union dissolves, several powers sign a landmark treaty on nuclear arms.

Russia struggles to find a national identity as Vladimir Putin comes to power. With the Cold War in the rearview, a war on terror begins.

Russia invades Georgia and Ukraine, putting Putin under intense scrutiny. While disinformation thrives, threats of nuclear war persist.