Quốc Trọng

At the close of the Sino-Vietnamese border war, a journalist travels to Lạng Sơn in northern Vietnam—the hometown of his former girlfriend—to report on the situation there.

Vietnam, 1954. An American reporter finds himself in the middle of the battle of Điện Biên Phủ, between the French army and the Vietminh.

An elderly couple from Vinh and their grandchild takes a coach to Viet Tri The passengers face numerous harassments during the journey, but luckily a youth volunteer and a discharged soldier are determined to help them.

Sơn applies to clerk for a director at a research institute but is instead assigned to spy on Linh, the director's beloved daughter. Offered a generous sum of salary while still struggling a secure a job, the young man happily undertakes the peculiar duty with great prudence, much to Linh's chagrin.

The story of friendship revolves around a group of children in Mây Village, where Tú, a lively, mischievous girl who loves fairness, always wants to protect the territory and inhabitants of the 'headquarters' she established. Nearly 20 years later, Tú is busy working as an operations director at a company founded by her older brother, Viễn, and their old friends. And by chance, when the group returns to Mây Village, the secrets of the past are revealed, awakening memories that were thought to be buried forever.