Back in 1974, eighteen-year-old Jiang Mingyue decides to rewrite her life. In her previous life, she made the wrong choice in marriage and only later realized how deeply Song Ci loved her. This time, she carries her memories and a daily check-in system, determined to stay in the city for work, protect her family, and actively choose the handsome, roguish young man whom the neighbors misunderstand. Everyone says he is unreliable, but she knows how good he really is. He shields her from life's storms, and she stands by him through every hardship. From workplace rumors and family conflicts to dangerous incidents on the road and preparations for their wedding, the two grow closer through the little moments of everyday life. This time, she intends to marry Song Ci early and hold on tightly to the happiness they once missed.