Corbin, a servant at the Sword Mausoleum, is betrayed by his adopted daughter, Jade Adler, who steals his life-saving elixir. On his deathbed, he awakens an ancient Demon Sword, regaining his twenty-year-old body and an unparalleled sword sense. He uncovers the shocking secrets of the Demon Sword, saves his sect from peril, and becomes a legendary myth.