The Mistaken Hero: the Urban Tenderness of the Dark World Killer

In the dark night, he was a ruthless killer who killed countless people. Loneliness, bloodlust and indifference to life are his portrayal of the dark night; Under the sun, he treats illnesses and saves people, protects the weak, and honors his parents. Miraculous doctor and warm-hearted uncle are his other business cards. Which one is the real him? Or is it all the real him? Can the warmth and tenderness under the sun melt the cold heart in the dark night?