In the era of global awakening, orphan Lu Huang awakens as an S-rank Sword Master, but is looked down upon for his profession's massive financial demands and publicly abandoned by his childhood sweetheart Liu Xinyao. In a desperate situation, he activates the Infinite Sword Domain, gaining an iron sword every second and able to infinitely synthesize flying swords into a mythical-tier natal sword. With this, Lu Huang sweeps through the college entrance exams, wins provincial top scholar, joins Tiannian University, and with the support of Principal Hai Tianyue and mentor Yan Wuwei, delves deep into mystic realms, fights in university leagues, and breaks through hidden realms one after another. As the emergence of the ultimate divine sword triggers a great Dao resonance, he is gradually dragged into the storm of alien races and top powerhouses fighting for Heavenly Dao opportunities, stepping onto a path of subduing all enemies with ten thousand swords to ascend to godhood.