Doctor Qi Ze has a secret that he is constantly reborn and experiences various deaths. Each time, the place and cause of his death were different: some were poisoned in the hospital, others were accidental. Faced with such a strange situation, Qi Ze decided to uncover the truth. Between rebirth and death again and again, Qi Ze gradually realizes that there may be hidden secrets behind it. He begins to investigate the cause of his death and tries to find the real killer behind it. At the same time, Qi Ze also met a girl named Su Wanqing, and the relationship between the two slowly warmed up in the process. As the investigation deepened, Qi Ze discovered a series of shocking facts: it turned out that each of his deaths was related to a complex conspiracy. In order to protect himself and his beloved, Qi Ze decided to face all this bravely, uncover the truth and protect his love at the same time. In the process of suspenseful reasoning, Qi Ze not only gradually got closer to the truth, but also gained a sincere love. In the end, after countless trials of life and death, he finally found the mastermind behind the scenes, and walked through this journey full of challenges and love with Su Wanqing.