Daughter Cheng hope, a reckless girl, father Cheng Dalin, an honest and humble clerk, and mother Wei Jinfang, a semi-retired and semi-full-time wife. Ma Qianni, Cheng hope's best friend in the same class, Nie Qing, Cheng hope's deskmate and rumored boyfriend, and Yu Ziyi, a transfer student in the class, surround the joys, sorrows and joys of this group of people.