Lu Xingci, a bright and passionate freshman with a sensitive heart, is instantly captivated at the opening ceremony by Su Wan, a beautiful junior who takes the stage to give a speech. But when he goes home for a meal with his roommate and best friend Su Zhe, he never expects to discover that his dream girl is his buddy’s biological older sister. Gentle and poised, Su Wan is student council president and the campus belle, with no shortage of admirers. Under the pretext of dropping by, Lu Xingci quietly begins to pursue her, nursing his secret crush as he tries to get closer. But Su Wan’s childhood friend Lin Te, who has just returned from abroad, workplace executive Gu Cheng, their three-year age gap, and the taboo of being his friend’s sister all become obstacles he can hardly overcome. Thus begins a young man’s uphill battle to win her heart, wagering every bit of his sincerity.
