On the day daughter-in-law Liu Lingyan finished her postpartum confinement and was discharged from the hospital, Xu Mingzhen wanted to gift her daughter-in-law an apartment, but did not expect that her son Xu Sheng had long ago given the apartment to Wu Shanshan, a mistress he had been entangled with for over a dozen years. Xu Mingzhen brought her daughter-in-law over and ran into Wu Shanshan and Wu Mama. Both sides mistook each other for the mistress, and while they were deadlocked, the instigator Xu Sheng came home.