Phương and his sister Vân reunite after years of separation in the war, but their clashing political affiliations soon set them apart.

Hoa is a young engineer and computer specialist who arranges the database of an institution. She is hardworking, yet her dedication goes unnoticed, and her boss dismisses her work and expertise as “redundant”.

Vĩnh is a seventh-grade student whose disruptive nature and disregard for studying has greatly frustrated his parents and the school staff alike. When all the teachers end up refusing to take Vĩnh in out of fear of having to deal with his notorious tantrums, only a young teacher, Mrs. Hồng Vân, welcomes the boy into her class with open arms.

The life of two soldiers after war, who try to continue their studies at the university.

The plot of the film revolves around revolutionary soldiers who come from different classes, but all share the same patriotism. They had to overcome many life-and-death challenges and enormous adversities in order to mobilise the masses to prepare for an uprising and seize power from the Japanese fascists, in a situation where the country fell into the tragedy of famine.