Zhu Xiuying has captured the hearts of both Jackson Wang and Mark Tuan but yearns for the student president's love. Similarly, her younger sister, Zhu Xiutong falls deeply in love with model student Choi Youngjae who seems to not return her affections...right? Huang Minyue hides a deep, dark secret she is determined to bring to the grave but Im Jaebum is just as determined to dig it out.