Crazy doctor Shen Zhiyi refused to save all seriously ill patients, but left Qi Jin alone who was dying. He said: 'It's not that you don't want to save me, you just don't dare to save me. ' When her silence was dismantled by the young man's paintbrush, when the nurse's chain of evidence came closer to the truth, and when the undertaker's relics piled up into evidence—she finally understood that it was not her who was crazy, but every light that the world forced her to extinguish with her own hands. And Qi Jin was dragging her step by step into the living laboratory he had built himself.