Special soldier Zhang Chi was reborn in the explosion as undercover policeman Chen Ran, who was buried alive by drug dealers. When he was about to die, he activated his space ring to kill the enemy. After rescuing the hostages, he developed a memory fusion disorder. After being promoted to captain of the criminal police, he encountered an incident involving the acquittal of a rich man's son. The energy of the ring went berserk for the first time and gave birth to the "Yaksha" personality. The execution of criminals by lynching triggered a storm of public opinion. Investigating the Yaksha case during the day and transforming into a vigilante at night lead a torn life. He formed a dangerous alliance with investigative reporter Lin Xia and gradually uncovered the judicial corruption network, but was hunted down by the darknet leader "Judge".
