The story follows three young women who were college classmates. After graduation, all three chose to stay and work in An City. Each eventually meets the person fate has meant for her. Xiao Xiao and Li Yan fall in love at first sight and stay devoted to each other through thick and thin. Ji Lingxi and Jiang Suhang face the question of whether a long-distance relationship is worth beginning, and how to balance work and love. Yi Feifei and Jian Ming both claim to be seasoned experts in love, yet a twist of fate sparks unexpected chemistry between them. Their lives will grow ever more exciting across parallel worlds.