Summary of forensic doctor Jiang Xun's time travel: Starting in hell mode, professionals are forced to speak to each other. As an abandoned daughter of the Hou family, she was packed up and sent to celebrate the death of the legendary King Yu. On the wedding night, when I lifted my hijab, I saw a sickly handsome man with pale complexion and weak breathing. Jiang Xun suffered from an occupational disease and came forward to check: "The pupils are slow to react to light, the tips of the fingernails are blue-purple, and the breathing sounds..." The sickly handsome man was weak: "... Unruly." Jiang Xun calmly said: "My lord, you have been poisoned by a compound neurotoxin. If you are not cured, you will really have to see the King of Hell." From then on, the painting style of Prince Yu's Mansion suddenly changed. The frail princess, who was unable to take care of herself, tinkered with bottles and jars all day long, talking about "extraction", "centrifugation" and "controlled experiments". The flowers and plants in the backyard have changed from ornamental plants to medicinal and poison samples. Faced with a series of bizarre murder cases, everyone was helpless, but the princess was able to accurately restore the crime scene with a homemade scalpel and a few simple reagents, making it impossible to hide the real murderer. "The deceased did not hang himself, but was hung from a beam after death. There are traces of dragging the rope twice on the neck." "This was not an accidental slip. There were footprints of a third person in the mud near the lake. It was a deliberate murder." At first, the sick prince looked on with cold eyes and thought she was being mysterious. Later, as he watched her use modern medical knowledge to prepare an antidote for herself bit by bit, and watched her calmly analyze the conspiracy behind each corpse, his eyes gradually changed. "Princess," one day, the healthy prince held her in his arms, "I also have a strange case here. Please solve it." Jiang Xun: "What case?" The prince said in a low voice: