The film is set in the winter-spring battle that lasted 60 days and nights from late 1946 to early 1947 in Hanoi, the story follows the militiaman Van Dan and his love story with the piano-loving lady Thuc Huong. When others had evacuated to the war zone, they decided to defend the capital that had been devastated by bombs and bullets, despite the dangers that awaited them.
The life of an extended family is not always peaceful because of differences in personality, lifestyle, and the interior of each small family.