In the winter of the 23rd year of Longqing, Su Wan woke up from the blood-stained wedding sedan. The soul of a forensic doctor who dissected thousands of corpses in his previous life was trapped in the beautiful skin of the bride of the Hou Mansion. The twisted silver thread is entangled with arsenic, the gilt sedan top is hidden with sleeve arrows, and the wedding dress embroidered with secret accounts of water transportation is soaked with snake venom - this "unexpected" wedding turned out to be a murderous scheme for the Yongning Marquis Mansion to swallow up the Jiangnan Salt Tax.
She picked up the autopsy lancet and cut through the hypocrisy of the wealthy family. Sacrifice stoves to dissolve sugar and kerosene, river lanterns to reveal corpse traces, embroidery needles to hide secret messages, and even the feathers of enemy arrows have become bargaining chips. The world only knows that Su's daughter has amazing embroidery skills and great medical skills, but they don't know that there is a map of Northern Xinjiang in the "Qingji Jian" under her pillow, and the silver bracelet on her wrist is tempered with peacock gallbladders that can identify hundreds of poisons.
King Wenque of Zhenbei came riding a horse in blood, with a chi pattern jue hanging on the sword that matched her jade pendant. The blood mark on her palm was the old wound she had sutured three years ago. He watched her remove the phoenix crown to test for poison, burn her wedding clothes as a spy, refine the Hexin wine into hemp and boil it, and suddenly throw the blood-stained tiger talisman into the medicine furnace: "Since Miss Su wants to cook this country, why not make this king into a medicine for you?"
When the bird feather embroidery pattern hides the imperial mausoleum's mechanism and Jiao Wei Qinyin deciphers the enemy's secret message, Su Wan knows that rebirth is the end. The unparalleled secret strategy in the buckle of the Chi pattern sedan, connected to the Gu pattern that she and Wen Que had the same origin as - the "corpse" she had sewn on the mass grave, had long carved the lifeline of the dynasty into a chain that bound her...