The events of 10 November 1945 in Surabaya is the background of this film. At that time the great war occurs. Japan who occupies Indonesia surrenders to the Allies. Indonesia declares its independence. Dutch demand their rights back, but Indonesian fighters fight against.
Musa, teens shoeshiner, is acting as a courier for secret letters to the Indonesian fighters. He also is delivering personal letters to fighters’ family. With his friend, Yumna and Danu, Musa experiencing a great adventure and loses his loved ones.