Lin Fan came from a humble background, but he didn't believe in the tricks of fate. When his family suffers a sudden disaster, he ventures into the world of martial arts alone, vowing to find out the truth and change his destiny. Along the way, he met different partners and experienced sect trials, world competitions, treasure hunts in dangerous places, sect disputes, and martial arts wars. From a young boy to a man of his own, he faced powerful enemies and difficulties with a smile, and got up with laughter every time he fell. All kinds of twists and turns finally revealed the mystery of the family's downfall, and made him understand that martial arts is not only power, but also protection and growth. In the end, Lin Fan stood at the top of the Nine Heavens, smiling at life, singing passionately, and unparalleled in martial arts.