Yu An'an is a thirty-something single woman with a pact she made with her high-school crush, Cong Yuan: if they were both still single at thirty, they would get together. But her crush went abroad and vanished without a word. Now, at twenty-nine years and eight months old, Yu An'an is being hounded by her mother to get married, so she heads to Zhongshan Park to halfheartedly put herself on the marriage market. There she runs into the overbearing CEO Jing Shengze, and the two trade barbs their way into a match made in heaven. Her crush returns home and confesses his feelings, while the CEO pursues her across the country. After thirty years, her romantic luck has finally stirred. Yu An'an can only say, “A CEO on one arm and my crush on the other? I'm still just a baby. I can't handle all that!”