In a seemingly peaceful small city, David's father, an ordinary citizen, became the "scapegoat" for anti-government crimes in a well-planned frame-up and was arrested.After David learned the truth, he was determined to avenge his father and all the citizens who had been treated unfairly.After going through a series of events, David reflected on everything he had experienced. He maintained hope and believed that everyone's actions can bring positive changes to society. He firmly believes that this small city has been changed because of their efforts, leaving traces of hope.