Mark, a wealthy Taiwanese businessman, has an affair with a famous woman, Fang Rou Yi, but he cannot give his commitment to her. Coincidentally, Fang Rou Yi has feelings for Xiao Kuan, the hotel attendant who secretly photographs her. Xiao Kuan's younger sister, Yi Jia, habitually complains to her best friend about her boyfriend, Ah Kai's bad behavior and secretly investigates it. Mark goes on a business trip to Beijing. He wants to buy a courtyard house. He does not know Xiao Ye, a real estate agent, and pretends to be the father of her son, Dou Dou. Romance between the two people begins to unfold......

台湾富商马克跟名媛方柔伊有染，但却无法给她承诺。这令她极为伤心，气急败坏离开酒店，在街头遭遇酒店服务生小宽偷拍，柔伊怒砸相机，随即与富商陆平驾车离去。原来柔伊本是陆平的情人，但是却无法获得一纸婚约。倒是因为那次相遇，她和口吃的小宽发生了一段感情…… 　　小宽的妹妹宜珈是自行车选手，她的闺蜜是钮承泽的独女小霓，后者习惯性跟她抱怨男友阿凯的诸般不好，但是宜珈却持相反意见并暗度陈仓。于是一道三角恋开始分割友情…… 　　马克去北京出差，欲购一套四合院，与房地产中介小姐小叶不打不相识，并在民警的怂恿下，阴错阳差充当了她儿子豆豆的父亲。从此，一段海峡之恋由此展开……...