Su Yan unexpectedly discovers that her mother has been driven out of the matrimonial home by her fiancé Zhou Mingzhe, while his younger sister has moved into the house instead. Seeing through Zhou Mingzhe's blind favoritism toward his sister, she immediately chooses to call off the engagement, clarifies the property of both parties, and makes Zhou Mingzhe move out of the matrimonial home. After losing Su Yan's support, Zhou Mingzhe is continuously milked by his sister, and his financial resources are gradually exhausted, ending up with nothing left in both wealth and relationships. No longer indulging in this unequal relationship, Su Yan takes her mother out of the storm, cultivates her mind with peace and quiet, and opens up a calm and secure new life.