An American tourist lands in a Slavic prison run by a twisted woman and the U.S. ambassador.

A man switches plane tickets with another man who dies in that plane in a crash. The man falls in love with the deceased one's wife.

Bill and Ted are high school buddies starting a band. They are also about to fail their history class—which means Ted would be sent to military school—but receive help from Rufus, a traveller from a future where their band is the foundation for a perfect society. With the use of Rufus' time machine, Bill and Ted travel to various points in history, returning with important figures to help them complete their final history presentation.