How did the warm and happy quadrangle come back?

Wei Xin, help. According to the story of Warm Happiness, Wei Xin wants to cooperate with Jin Mantang. Knowing Jin Mantang's difficulties, Wei Xin promised to help Jin Mantang pay his debts, and Wei Xin also took the initiative to pay liquidated damages, so that the quadrangle could be saved. Warm Happiness tells the story of a reorganized family living in a quadrangle in Beijing. In order to give grandma a happy old age, the family weaved a well-meaning and sad lie, from which a series of ironic stories were derived.