It tells the story of Song Qianlan, the eldest daughter of the Song family, and Xie Yan, the cold-faced eldest son of Duke Dingguo, who got married due to family marriage. At first, the two treated each other as if they were guests. Song Qianlan focused on family matters and just wanted to live a stable life; while Xie Yan hid his tenderness in the details to protect her from the wind and rain. As Song Qin'er made things difficult and Xie Jiaojiao provoked, Xie Yan stepped forward to protect Song Qianlan behind him. Song Qianlan also gradually saw clearly the sincerity behind his cold appearance, and began to respond to this feeling. The two went from being strangers and estranged to being connected, and worked together to resolve the crisis. An arranged marriage turned into a story of a lifelong couple.
