The protagonist Lin Chen is the "Eternal Sword Immortal" who failed to overcome the tribulation. After his rebirth, his soul merged with that of a good-for-nothing boy. His golden finger is [one eye that can penetrate the spirit], which can instantly see through, analyze and perfect any technique, elixir, or formation. The protagonist's goal is to return to the top and find out the truth behind his failure to overcome the tribulation in his previous life.
