He Owes Me a Palace

The legitimate daughter of a poisonous doctor took a life-debt ledger and chased her from the prince's mansion to the medical clinic and then to the imperial mausoleum. In the end, she found that the person who owed her the most had staked her entire life. Murong Xue had just come to life when Cui'er came in with the medicine bowl. She woke up from the pain. After a bowl of medicine was poured down, the original owner breathed her last and opened her eyes. Cui Er also pinched her chin to drink the second bowl. Murong Xue didn't hide. The thin stick-like hand from under the quilt stretched out, grabbed Cui'er's wrist, and twisted it diagonally downward. Click. Cui Er knelt down. The medicine bowl hit the ground, and black juice splashed all over the floor. Murong Xue knelt down and smelled the broken porcelain pieces. Poison. I started feeding it three years ago. The last bowl is Yaoyin. Within three days, the oil ran out and the lamp dried up, and the appearance of death was exactly the same as death from a long illness. She hasn't had time to clean up the Hou Mansion yet. The next night, a man covered in blood was brought into her hospital. The wound on the shoulder was not deep, but the blood flowing out was black. She recognized that smell - it was exactly the same as the scent left on her mother Su's body before she died. The man said, my surname is Yuchi. Royal surname. Tianque Lock, Shen Family Poison Garden, Su family died suddenly. Three things stacked together pointed to an answer - her mother's "death of illness" was never an illness. Someone used a big snake that had lived for three hundred years to lock the lives of the Imperial Power and the Shen family together. Aunt Zhou crawled out of the dungeon: "Miss, Madam did not die of illness." Su Qingyuan opened his grandfather's notebook, and the twenty names were all the Shen family's mouthpieces. Shen Ningshuang walked out from the shadow of the palace wall and handed over a black lacquered wooden box. Inside the box is a snake bone, so black that it's heavy