Forgetting to do his annual income taxes until the night they are due, Homer rushes to fill out his forms with false information. Soon after, he is arrested for tax fraud, but makes a deal to work for the FBI for immunity from the IRS's prosecutions. After a successful operation made by Homer, the FBI decides to have Homer obtain a one trillion dollar bill that is in the hands of Montgomery Burns. Homer leads Mr. Burns to believe that he is a reporter, causing Mr. Burns shows him the bill. The FBI rushes into the mansion and arrests Mr. Burns, but Homer decides to rescue him. Mr. Burns gets the help of Waylon Smithers, and with Homer, the three escape in Mr. Burns' plane. Looking for an island to buy, Mr. Burns decides to land in Cuba, where the three meet Fidel Castro. Castro does not wish to sell Cuba, but is interested in seeing the trillion dollar bill. However, after he is handed the bill, he decides to not return it. The show ends with the three on a raft back to the United States.