First we continue our story in Chicago where Indy's musical appreciation switches to the Blues, while the adventures heat up with Eliot Ness and Ernest Hemingway.

We then travel tp Princeton, NJ where Indy is attempting to persuade his girlfriend's father to take his Hot Rod to the Junior Prom. While getting repairs, Indy stumbles into an adventure involving a stolen Thomas Edison invention.

Finally we travel to Petrograd where Indy has befriended a group of young Bolshevik students. After taking Indy to hear a speech by Vladimir Lenin, the Bolshevik's attempt to prematurely start a revolution.