Shen Guan, the daughter of Imperial court of justice Minister, died. A defamation case, twenty-four lives. At the same time, the loyal and brave Marquis Manor, Ninth Miss, lived. The timid Qin Wan temperament changes, her skills shined, finding mu*derer, investigating a case, entering the autopsy, withdraw from a doctor, conveniently punishing her aunt, her numerous sister, father’s concubine, cunning s*ave. Embarking on the long road of vindication, and all kinds of weird big cases are coming in continuous stream. Headless bride case, drowned corpse case, gold robbery, baby disappearance case… Qin Wan roll up her sleeves, but accidentally provoked a big demon.