Su Nuan, a girl who goes out to work, falls in love with her colleague Ronan in the factory. Later, the son of the factory owner fell in love with Su Nuan. Women in front of money and love. In a dilemma between family and loved ones. Where will Su Nuan go? Girls' diaries say that love is just the secretion of excessive dopamine. The term is thirty months. Who is whose end point?