May 1980, on the streets of Seoul. Lee Wanxie is a single father who lives by driving a taxi. He lives a tight life, but he still cares about raising his young daughter alone.Although life is hard, he always squeezes out a smile in his fatigue just to give his daughter a warm support. One day, he heard that someone was willing to pay a considerable reward and asked him to drive to Gwangju.For money and to give his daughter a better life, he took on this mission.But he didn't know that this mysterious foreigner - actually a German journalist with a hidden mission - was quietly involved in a journey that changed his destiny. He thought it was just an ordinary long-distance passenger ride, but he didn't know that what awaited him ahead was a true testimony of conscience, courage and human nature.