Chen Yuan, a young man, traveled back to the Qin Dynasty and wanted to help Qin Shihuang unify the world. However, he accidentally got involved in the ancient battle between immortals and demons. He took charge of the Broken Sword Talisman and traveled across the world to track down the lost Qingping Sword. In the experience of blood and fire, he killed all the demons and monsters and reestablished the order of the world.
