Xu Fei\Wu Tan\Li Na are three girls with music dreams. Next to them are three handsome guys with very different personalities: Ma Tianyu\Wei Chen\Yu Haoming. The common characteristics of the three handsome guys are: they are all kind and compassionate. , Are completely good people. However, the kind and compassionate good people: Ma Tianyu\Wei Chen\Yu Haoming have an "extremely solid" outer character: they like to say things that embarrass others and do things that are very puzzling...
Ma Tianyu and Yu Haoming's first choice was Xu Fei. (Wu Tan hadn't appeared at that time, and Li Na turned out to be Ma Tianyu's sister.) But Xu Fei's difficulty in making a choice made Ma Tianyu and Yu Haoming very lonely and heartbroken, so they decided to let go of their love... But, who knows, this helpless letting go may not be taken back...