The story takes place in a small city. Luo Shi, Xiao Xiang and Mu Ling are good sisters who have been together since childhood. They have experienced girlhood, youth and all the good times together, and then embarked on their own life paths. In the bustling metropolis, they stumbled and lived in this real society, and met Han Ye, Jiang Ying, Yao Di, Kan Chen and others. After finally experiencing a series of events and becoming familiar with the reality and hypocrisy of society, they looked back in hesitation, only to find that everything was just like the "snowflake tears of broken feathers"... Beautiful, but withering, lonely, and no turning back...