When money moves between individuals or groups, it is called a transaction. Follows a single dollar bill as it moves from a depositor's hand, down to the vault, over to the Federal Reserve, and finally out to project the bank. Visits the branch of a real credit union inside a high school where the students are the tellers. Watch the ebb and flow of money as the students examine the concepts of supply and demand. Introduces a young man who began collecting books to read to his grandmother and soon found himself as the head of a national book business.