Legend has it that whenever the Black Abyss manifests, a Heavenly Dao tribulation destroys the myriad realms and restarts the universe. Due to meridian defects, the youth Lin Fei was unable to cultivate, relying on cleverness to idle away his days in the Sword Inquiry Sect. It was not until the tribulation arrived and his mentor and close friend died in battle at the Black Abyss that he regretted wasting his time. Overcoming trials and forging a unique path, he learned ancient weapon-refining techniques to avenge his sect, perishing together with the demon lord Yuan Huang. Unexpectedly, due to the interference of a mysterious force, he was reborn in the restarted new era. To protect the Sword Inquiry Sect—passed down from the tribulation by a mysterious figure—and to prevent the same tragedy from repeating itself, Lin Fei resolves to start from scratch as a marginal disciple.