Mikael Blomkvist, publisher of Millennium magazine, has made his living exposing the crooked and corrupt practices of establishment Swedish figures. So when a young journalist approaches him with a meticulously researched thesis about sex trafficking in Sweden and those in high office who abuse underage girls, Blomkvist immediately throws himself into the investigation.

Copenhagen, Denmark, 1962. When a high-ranking Soviet official decides to change sides, a French intelligence agent is caught up in a cold, silent and bloody spy war in which his own family will play a decisive role.

Poland, 1970. Firmly determined to fight against Soviet tyranny and prevent the destruction of the world, the high-ranking officer of the Polish army Ryszard Kukliński makes a serious decision that will put his life, his family and the fate of an entire nation at risk.

An Iron Curtain defector who has been living for years as a California winegrower learns that Soviet agents are stalking him.

Max Foster (Carl Betz), an American newspaper reporter, is in Hong Kong to assist a defecting Russian diplomat. In return for arranging an escape, the diplomat must turn over to Foster a diary revealing the true events taking place in China. While making his escape, the defector is killed ant the diary vanishes. The reporter sets off on a search for it, from Hong Kong to Australia. The chase ends in an action-filled climax, with the journalist finally meeting up with "That Lady from Peking" (Nancy Kwan) - the diplomat's daughter.