Marcus goes to the casino to gamble and see what he can win. He learns the game and gets excited once he starts winning.

Sheldon, a gifted student, begins his first day of high school. Noticably younger than his classmates, he has some trouble fitting in. 

Fry experiences the effects of compound interest on his savings. He started with 93 cents in his bank account 1,000 years ago, and it has had an average 2.25% interest rate over the 1,000 years. Fry learns that he is now a billionaire.

Raymond attempts to manage the family budget but ends up with overdraft fees and multiple bounced checks. He asks Andy for advice, and Andy tells him how to reconcile his checkbook. Ray still doesn't seem to understand, so Andy suggests showing Debra the checkbook. Ray decides to create a fake checkbook to prove to Debra that he is capable of budgeting.

The song shows how the money you deposit in a bank earns interest or the money you borrow gains interest.