There are eighteen levels of hell and nineteen hells on earth. As the warden of the Nineteenth Prison, Gu Ci has no faith, no love, and is far from integrity. In an era when madness is everywhere and darkness reigns, Gu Ci meets Su Lin, the captain of the Huayan Special Forces. You spend your whole life protecting your beliefs and people, and I will spend my whole life protecting you.
Intention: mutual redemption and salvation. Independent, two-way