Taiyo Mukai, the eldest son of a diner owner, harbors a grand ambition: to become a professional golfer capable of winning the British Open. The year he graduated from junior high school, he passed the professional golf examination at an exceptionally early age. Through his golfing journey, Taiyo encounters and tests many people, growing as a professional golfer along the way. Ultimately, he realizes his dream by competing in the British Open.