The old and new entanglement between Li Yuran, a psychologist who is addicted to lucid dreams, and the policeman with a performing personality. After a long period of "lucid dreaming" confusing his memory, he gradually fell into a crisis of self-cognition. As Li Yuran gradually saw the person in his dream, an old case was uncovered. He originally thought that the man in his dream was his salvation, but he didn't expect that he would push Li Yuran into a more terrifying abyss. Everyone is burdened with secret crimes, and old crimes and new crimes are intertwined with each other, forming a closed-loop fate. What is a dream and what is reality.
Mission: Sins will not be forgotten