17-year-old high school student Li Jinjin (played by Zhuang Dafei) and his mother Li Qingtong (played by Chen Haoyu) have always had numerous conflicts. By chance, Li Jinjin returned to his mother's high school years and broke into her friend circle, the "scrap metal band". When Li Jinjin, who was determined to change his father against the sky, met Li Qingtong and her friends, who were full of emotions and righteousness, their living conditions were constantly changing but full of laughter. A humorous journey of youth is quietly beginning

A story of laughter and romance between two polar opposites as a penny-pincher crosses paths with a spendthrift. Liu Jia Yin goes bankrupt after breaking up with her wealthy boyfriend. Caught in a bind and forced to pay of her debts, she sells of all of her belongings. Wang Ji Wei was born frugal and goes to extremes just to save money. An accidental meeting forces them to live under one roof and reassess their disparaging outlooks when it comes to money and love.