The documentary film follows the story of Veresk Bridge, which spans two cliffs in the Abbasabad area, connects the railways of Tehran to the Caspian Sea region. The construction had begun in 1934 and finished 2 years later. The arch bridge is one of the masterpieces of engineering of the 20th century. It is considered as one of the important symbols for the people of Iran and the country's railways, which during this era brought prosperity economic, political and cultural.