Behind the magnificent Taj Mahal lies a cluster of dingy homes where Chanda (35), a domestic help, lives with her 14-year-old daughter Appu. Chanda aspires and dreams that her daughter will study and embrace a better fate. When Appu tells her she wants to quit school and become a maid like her, Chanda takes a strong decision: she will herself go back to school, and even join the class of her daughter.

An injury ended Zhang Zhiqiangs dream of becoming a professional basketball player, so he became a physical education teacher. To impress the new young math teacher, he volunteers to teach the problem class of the school in math.