Shen La, a special investigator of the mysterious event management agency "Public Opinion Bureau", was seriously injured during the mission. When he was on the verge of death, he accepted the inheritance of the "seed" containing mysterious power from the director of the sixth department, Wu Rendi. After waking up, Wu Rendi's senior brother, Guangren, accepted him as a disciple. In order to find the fragments of the Heavenly Principle Map, Shen La experienced the Tianshan Wolf Tomb, energy backlash, and the conspiracy of the Foundation. Finally, he was recognized by Wu Rendi and received the ancient artifacts given by him, the Sin and Punishment Swords. At the same time, the internal ghost problem of the Public Opinion Bureau became more complicated and confusing. Shen La and his partner Sun Desheng once again joined the battle.