This story revolves around Zhao Juan, an elderly woman who becomes paralyzed after a car accident while saving her granddaughter Tongtong. Facing an indifferent daughter-in-law and an unresponsive son, she leaves home only to be tragically injured by mistake. After her death, Zhao Juan reincarnates as a dog and returns home. She repeatedly protects her family, exposes the conspiracy of Han Yang and his son, and helps her son Zhang Wei resolve his debts and demolition threats. Eventually, Zhang Wei comes to believe the dog embodies his mother's spirit. He renounces his inheritance, reconciles with his biological mother, and starts a new life alongside the devoted dog-mother.
