In the borderline between Iran and Azerbaijan, across which people of two nations speak the same language, an Azerbaijani soldier falls in love with an Iranian girl from the nomad tribes herding at border areas. However, as it is not possible for the two to have a face-to-face communication, the soldier is advised by his Iranian fellow soldier, who patrolling the border bridge alongside him, to correspond with her. But they recognize that the alphabets used by the two nations are different, although they speak the same language. Therefore, the Iranian soldier decides to translate the letters and, in this way, they gradually learn the language of each other, however..