Shen Nianyue and Gu Xiyu come from prominent families and were high school classmates. They secretly loved each other, but each mistakenly thought the other felt nothing. The heroine went abroad to study, while the hero quietly followed and watched over her. After she returned home, they had little contact. When the Su family ran into financial trouble, the hero stepped in to help by proposing a one-year marriage contract, and the heroine gladly accepted. After the wedding, they lived under the same roof but slept in separate rooms. He quietly arranged every detail of their home to suit her tastes and took tender care of her. On their first wedding anniversary, while looking for the divorce agreement, the heroine accidentally discovers a private album he had treasured for years, filled with his heartfelt notes. Only then does she learn of his deep devotion over all those years. Their mutual crushes are finally laid bare. They drop their pretenses and confess their feelings, and he spoils her beyond measure, even transferring all his assets to her. Together, they begin a married life brimming with sweetness.