She is a female prisoner sentenced to life imprisonment. The nightmare-like childhood and the accumulated scars allowed her to survive by relying on the pleasure of killing people. However, she met countless similar versions of herself in prison, and those women who had been trapped finally walked out of that prison.
He is a fledgling detective. The special experience allowed him to always uphold the belief that "there is no such thing as evil without reason", to look at the evil criminals in everyone's eyes with an equal eye, and to face countless difficult tests. In the end, he and she healed each other and gained a new and splendid life.
