A short-tempered, failed ice hockey player discovers that he possesses an extraordinary power drive in golf, capable of sending the ball immense distances. After a chance encounter with a seasoned golf professional, he is persuaded to enter local tournaments to make money. His motivations are clear: he needs to save his grandmother's house from being sold off due to unpaid taxes. Despite his unorthodox style and explosive temper, his raw talent garners attention and success on the golf course, leading him to the professional circuit.

As he progresses, he finds himself up against the reigning champion, a smug and condescending figure determined to see him fail. Along the way, Happy has to learn the etiquettes of golf, control his anger, and win over a skeptical golf community. His journey is marked by both comedic misadventures and genuinely heartfelt moments, with the stakes growing higher as he gets closer to achieving his goal. His unconventional approach and colorful personality breathe new life into the traditionally staid sport, setting the stage for a climactic showdown.