25 year old sister Jiang Nan (played by Zhang Yezi) and 22 year old younger brother Jiang Bei (played by Zhang Yishan) have grown up, but their parents have divorced. The two apartments upstairs and downstairs are divided into two. Jiang Nan lives in the apartment upstairs with his mother Wu Qiong (played by Wang Lin), while Jiang Bei follows his father Jiang Guoli (played by Zhou Xiaobin)
25 year old sister Jiang Nan (played by Zhang Yezi) and 22 year old younger brother Jiang Bei (played by Zhang Yishan) have grown up, but their parents have divorced. The two apartments upstairs and downstairs are divided into two. Jiang Nan lives in the apartment upstairs with his mother Wu Qiong (played by Wang Lin), while Jiang Bei follows his father Jiang Guoli (played by Zhou Xiaobin)