The Secret of my Success is a comedy about the ambitious farmer boy Brantley Foster who moves to the city to find the job of his life. His uncle helps him get a job in the mailroom of a large company. Foster brings the packages around, but wants more. Not in the last place, because he has an eye on the handsome Christy who holds a high position within the company. He decides to take up an empty office and presents himself as an important manager.