Young Lu Xiaochuan has been neglected and bullied for many years. He accidentally picked up his grandfather's relics. A piece of black scrap metal turned out to be the remnant of the ancient Zhan Lu sword. The sword soul A Zhan awakened subsequently. A Zhan acted according to ancient etiquette and made a lot of jokes, but he also helped Xiao Chuan defeat the school bully and destroy the fakes at the auction. In order to restore the sword soul, Xiaochuan recast the sword body according to his grandfather's notes, bravely fought against the cultural relic dealer Xiang Qian, and even climbed Longding Mountain to find the source of the sword soul. Through experience, Azhan made Xiaochuan understand that the soul of the sword is actually the heart of the swordsmith, and that real power comes from one's own courage. After the storm subsided, Ogawa was no longer the timid young man, and moved towards a new life with this friendship that spanned thousands of years.
