Three key events during three different time periods, in three seasons, and on three nights culminate to change the life of Zhang Dong Ling.

Teenagers, in their last year of High School, steel the subjects of the Baccalaureate from the education exam division in order to succeed at the exam.

Teacher and novelist François Bégaudeau plays a version of himself as he negotiates a year with his racially mixed students from a tough Parisian neighborhood.