Three years ago, divine doctor Lin Wan was stripped of her ancestral secret recipe and family property by Gu Mingyuan and his family, who lied to the outside world that she was already dead, and even her biological daughter was mistreated. Rescued on the verge of death, Lin Wan diligently practiced for five years to master the Ghost Doctor Divine Needle, transformed into a maid to infiltrate the Gu family, joined forces with the powerful Lu Jichuan to expose the crimes of the Gu family, took back everything, and finally the villains were brought to justice, the daughter recovered, achieving a complete fulfillment.