The legend of the man who loans swords has been circulating in the martial world. According to legend, this man forged the indestructible magic weapon Zhanlu Sword, and would loan the sword to the "destined people" he meets... Twenty-three years ago, the man loans the Zhanlu Sword to a young man in desperate situation. With this sword, the young man becomes a feared "Sword Maniac" in the martial world. Three years later, the sword loaner shows up again and wants to take back the Zhanlu Sword, but the Sword Maniac becomes obsessed with Zhanlu Sword and breaks the original agreement. So the sword loaner leaves a prophecy: Zhanlu Sword will kill the Sword Maniac’s beloved. In the end, his wife dies and his children are separated from him. Coming to his senses, the Sword Maniac hides his name and spends twenty years aimlessly, until he meets Xiahou Ling, the girl who illuminates Sword Maniac’s ashen heart like a beam of warm light. When Xiahou Ling faced a life-and-death crisis, he finally musters up the courage to pick up the Zhanlu Sword again. Sword Maniac returns to the martial world, but the sword loaner’s prophecy will still come true. As the gears of fate turn again, Sword Maniac makes a choice again...