The play tells about Beibei who returned from studying abroad in the late Qing Dynasty and the early Republic of ChinaLeGrandpaChong span>LiMing meets A Yi, a commoner in the capital, and invites him to participate in the palace guard organization Fan, at this time the situation of the court changed suddenly, Chong Liming and A Yi jointly gathered 7 passionate teenagers to reorganize Yanshifan, which gave the organization a new look, and everyone also went to Sichuan, Shanghai and other places to discuss peace with each other and deal with foreigners together. Show the passionate side of youth, and work together to deal with darkness in turbulent times. Facing very difficult obstacles together, but always maintaining a patriotic heart and incomprehensible patriotic enthusiasm, Ah Yi also found a new direction, fulfilled his new ideal, and joined forces with Chong Liming to fight against it, becoming a peaceful hero in the last years of the Qing Dynasty. Messenger, witness the arrival of the new dynasty together. During the period, Chong Liming also used Yanshifan to organize and kill many criminals to protect his loved ones, but in the end when Chong Liming fought, his beloved was shot and died trying to save him, which made Chong Liming very sad.