It tells the story of Wang Xiao Li, who is struggling in a loveless marriage. One day, she meets her former schoolmate, Fan Zi Qing, and that day she experiences the joy of sex outside of marriage. While enjoying all of that, at the same time, she feels in pain of being without love. Confused and desperate, she began to think about life and marriage. (Source: Chinese = Baidu || Translation = MyDramaList) ~~ Adapted from the novel "Lin Jie Hun Yin" (临界婚姻) by Li Mu Ling (李木玲).