In his previous life, Su Yan was an underworld official in charge of fraud cases. Due to the theft of the corruption and fraud book that recorded evil deeds, he reincarnated into the mortal world and was born with the ability to see the black lines on the bodies of liars.
She works as an anti-fraud volunteer in the government affairs hall, and partners with criminal police officer Lu Zheng to expose various scams in pension, franchise, and financial management, and help people recover their losses.
An encounter with a reincarnated old friend brings back the book of death, and uncovers the traitor who has been behind the scenes for hundreds of years. In the end, she fought against fraud during the day and returned to the underworld to manage the books at night.
