After unexpectedly transmigrating to the Song Dynasty, the heroine becomes the daughter of an official who has fled an arranged marriage. To avoid going home and getting married, she decides to open a detective agency and make her own living.
Using modern medicine, she deciphers the secrets of corpses and reconstructs how each case unfolded.
She examines strange corpses and investigates cold cases.
By chance, she meets the county yamen's chief constable, and the two gradually become a bickering pair of kindred spirits.
