Du Ruo, a girl who has just entered high school, met Annie, a girl in her class, through coincidences. Du Ruo, who has a loyal and kind personality, soon became close friends with Annie, who was very popular in the class. But just as the relationship between the two became more and more intimate, Du Ruo was told by her family that she would leave her hometown in two months to study abroad. At this time, Anne, who has realized that she has fallen in love with Du Ruo, should go on... And will this forbidden and dangerous feeling in the eyes of outsiders blossom into a new romantic love in the future? Or will it lead the two people in the future to embark on a dangerous path of destruction?