Xiao Jie is getting married soon, but there's a secret that she never told her fiance before, that is - she has a mentally retarded brother who is now living in Special Education Center. Today, she has made up her mind and brings her brother back to introduce her brother to her fiance. However, it is not as easy as she thinks.

結婚在即，小潔卻從來都不曾告訴過未婚夫，關於智障哥哥的存在。就在那天，她終於鼓起勇氣將哥哥帶回家裡準備告訴回家的未婚夫。但是，事情卻不是她想像的那樣。