Du Ruyu, who has been widowed for 18 years, wanted to marry her four daughters into "good" families. To this end, she gritted her teeth and bought a house in the capital despite huge financial pressure, so that her daughters could have a "right (not) rich (not) rich (not) rich (not) rich (not) rich" marriage. As a result, no rich son-in-law came, but inexplicable young people broke into their lives one after another: the cowardly "second generation of Wu" Lu Buping, the stupid but arrogant prince of the palace, the fourth prince who was not good at reading people's expressions but was kind by nature, and Li Tengyun who was full of positive energy but kept doing bad things. Du Ruyu didn't like any of these people, but they got closer and closer to her daughters...