In the early years of the Republic of China, Wen Yuhe (Fan Bingbing), the eldest daughter of the Wen family, married into the wealthy Gu family because her father owed a huge sum of money. Her husband Shaotang (Yu Xiaowei) was young and inexperienced, and did not return home on the wedding day. Since arriving at the Gu family, Yuhe seems to be in another world. Her husband is idle, her mother-in-law (Liu Xuehua) is scheming, her widowed sister-in-law Moxin (Zhang Tong) and her sister-in-law Shouzhen (Han Xiao) are even more unpredictable, and there is also a girl Tao (Li Qian) who changes her mind according to the wind. Yuhe feels that her life is suffocating, and only Yunkai (Huo Jianhua) is with her. In this seemingly chaste and elegant deep mansion, in fact, a series of shameful farces are staged. The seemingly serious Moxin has an affair with a small tailor on the street, the missing second sister-in-law frequently appears in the forbidden area, and the mother-in-law's secret delicacies are connected to a case of murdering her husband. How many unknown secrets are hidden in this deep mansion in this small town in the south of the Yangtze River...