In her twilight years, Mu Yuting realizes that her entire life has been a joke. A middle-aged man, having achieved great success, squeezes every last drop of value from her family, impatiently discarding the old wife at home and abandoning their daughter who can't inherit the throne, diving into a life of luxury.

The year of their divorce, housewife Mu Yuting is 35, with nothing but her daughter. She doesn't remarry and spends all her energy raising her daughter to go to college. Years later, her daughter is won over by her father's crocodile tears and financial allure. Alone, Mu Yuting dies on her hospital bed.

Reborn at 25, Mu Yuting is determined to live for herself this time. No marriage, no children. She transforms from a good girl into a prickly cactus. She adopts a rural dog for safety.