What's the name of the big fool who switched to repairing hydropower movies?

Is it a movie? Zheng Yuling and Dong Chengyi are cohabiting men and women who are about to get married, but for some reason, they can't move into their original new house, so they rented their good friend Zheng Danrui's grandfather's old big house. Nina Li Chi and Tang Liqiu are the black market wives and maids of Zheng Danrui's grandfather Lu Haipeng. After they died, their ghost stayed in the big house and waited for Lu's return. When people live with ghosts, a series of jokes will happen. ...