This movie re-analyzes and explains the reality of the North-South division of the Korean Peninsula from a human perspective.
The first half of the film is carried out in constant setting of doubts and counter-evidence. It can be said that the genre film is the usual routine, and there are not many new ideas in the structure. The highlight lies in the small details of the performance. The performance of 송강호 in the mine-clearance and outpost scenes is too joyful, and the part showing the friendship between the soldiers of the two sides is equally authentic and credible. There are two scenes of cruising under the moonlight and giving gifts to each other. , Reflecting the friendship between the two people's blood is thicker than water and the simple and innocent side of human nature, warm and touching. There is also a comedy theater scene where the two sides of the security zone separated by a metre are spitting each other. The kinship between these compatriots that are slowly growing has laid a good foundation for the subsequent outbreak of cruel tragedy.
The turning point of the story stems from Sophie discovering that a bullet was missing from the scene of the crime. This doubt goes back to the night of the crime. The scene reproduces the process of killing each other of compatriots. Based on the different beliefs and values of the soldiers of the two countries, the most essential selfishness of human nature that eventually led them to draw guns and shoot each other because of mutual suspicion, the compassionate feelings of being too anxious are accompanied by the final song of "No Letters Sent" All are drawn out of the cocoon, so that the audience’s feelings of watching the movie are torn apart in the polar contrast of sympathy and resentment. It is extremely cruel but true and pure, thus silently accusing the political stance under the influence of ideology of distortion and human nature. damage.
The final finishing touch is called "one of the top ten classic endings of Korean movies." The characters in the film are captured by the camera at the same time and space. The black and white photos not only remember the friendship of the four people, but also herald their mutual compatriots. They will not be forever separated by the dividing line of one meter apart, the smiles hidden in the corners of their lips will eventually bring the two countries to unity.
