In this world, there are ghosts, humans, demons, and gods. The Ninth Bureau is China's paranormal investigation agency. Its very existence keeps monsters and demons living in the shadows for their entire lives. The Ninth Bureau has nine immortals, each possessing extraordinary powers. They slay ghosts and destroy demons. Chen Shangyun, one of the Nine Immortals, is the Sword Immortal, with countless souls slain by his blade. He will use his sword to carve out a bright future for China.
