The movie Hole in One follows the story of Eric, a college student who spends all his time playing golf and partying. He's good at golf but has no discipline or focus in his life. One day, he gets into a golf bet with two plastic surgeons who are known for their sadistic ways. Eric loses the bet and has to undergo breast implant surgery.
After the surgery, Eric realizes that his life has completely changed. He loses his money, his girlfriend, and his dignity. He can't even play golf anymore because of the surgery. Eric's best friend Tyler tries to help him get his life back on track. They decide to take on the two doctors in a final golf match of "Best-Ball" to win back Eric's life and become the man he should have been all along.
As Eric and Tyler prepare for the match, they meet some interesting characters, including a golf guru who teaches them how to play golf with their hearts instead of their minds. They also meet a group of retired old golfers who offer them advice and help them train for the big match.
The day of the match arrives, and Eric and Tyler are ready to take on the doctors. The match is intense, and the outcome is uncertain until the very end. In the end, Eric and Tyler emerge victorious, winning back Eric's life and dignity. Eric learns the importance of discipline and focus in his life and becomes the man he always should have been.