In the eyes of outsiders, Lu Chuan is merely an ordinary freelance translator working from home, quietly bearing domestic chores and tolerating Lin Xia's family. On the eve of Lin Xia's overseas assignment to Sweden, Lu Chuan secretly replaces her birth control pills with folic acid to test her marital loyalty. Through six months of long-distance tug-of-war, the truth is peeled back layer by layer. The warmth of the past slowly dissipates, and when Lin Xia realizes Lu Chuan's hidden true identity, this marriage, long showing cracks, leaves only a dignified final showdown of divorce.