On the night of the blood moon, Wen Ning unexpectedly becomes entangled with Fu Jingyan, the young heir to the Wolf King. She quietly leaves and secretly gives birth to their werewolf son, Wen Yunmo, whom she struggles to raise alone by running a street stall for five years. Desperate to raise the enormous sum needed for her son's medical treatment, Wen Ning applies for a job as a housekeeper at the Fu family home. While fending off the relentless schemes of Song Wanwan, the fake heiress, she also uncovers the truth about her own identity as the Song family's true daughter. Filled with remorse, Fu Jingyan pursues Wen Ning in an attempt to win her back. Through hardships and redemption, the two join hands to protect their child and ultimately find success in their careers and a fulfilling love.