Karl Marx and Friedrich Engels work on a draft of the Communist Manifesto. The Communist Manifesto is then printed and disseminated. A narrator reads excerpts from the text.

John F. Kennedy presents a speech about the Berlin Wall, advocating for the demolition of the wall and the end of communism.

Trumbo and his daughter talk about communism. When she asks him if she's also a communist, he gives her a quick test to determine if she has communist beliefs.

At dinner one night, Stan notices that his son, Steve, used communist terminology. He talks to Sergei, who is originally from the Soviet Union and is helping Steve build a model rocket, about Steve's use of communist words and learns of Sergei's plan to "steal" his son. Stan visits Steve in his room and learns that he has become a communist.

DeAngelo Barksdale and other inmates discuss The Great Gatsby in the Maryland House of Correction.