Mother-in-law Feng Guifang sells the old family house and uses all three hundred eighty thousand to subsidize her younger son, then comes to older daughter-in-law Su Ting's dowry house demanding to live in the master bedroom and take over the family finances. Su Ting holds the family's bottom line and refuses to give in unreasonably. Husband Zheng Dafei grows continuously through the conflicts and learns to tell right from wrong. The second family only wants to take the money and is unwilling to support the elderly, and the truth is revealed in front of the relatives. All parties clear up their misunderstandings, clarify support rights and responsibilities, and the mother-in-law wakes up to reality. The family lets go of barriers, understands one another, performs their respective duties, and welcomes a harmonious family life.