The son of the Minister of Rites died in his pond, and the whole city said it was an accident.
Five-year-old Song Tuantuan squatted next to the corpse and opened the deceased's clenched fingers: "Dad, he didn't drown to death. He even ate osmanthus cake last night!"
Song Huaian, the minister of Dali Temple, was framed and demoted to a broken house next to the morgue.
Unexpectedly, her daughter Song Tuantuan, carrying a small tool bag, could piece together the complete clues left by the murderer from the mud between her fingernails, the moss on the soles of her shoes, and the oil stains on her clothes.
Father and daughter team up to solve strange cases one after another.
The drowning case of the noble prince, the theft of tributes, the case of the palace maid falling from the building...
Every time a case is solved, some courtiers turn pale.
Someone set up a trap and Song Huaian killed him on the spot;
Someone paid the murderer to silence him, but Tuantuan found out the mastermind from a speck of dust.
Until she examined the body of the most powerful official in the imperial city and discovered that the deceased contained real evidence that her father was demoted...
