Description：After Tie Lao Da (played by Chen Jianbin) returned to his hometown after working in other places a few years ago, he was unwilling to leave his hometown again. He was determined to settle for the status quo and support his family in the depths of the vast mountains. He and his younger brother drove a motorcycle taxi at the pass in the countryside to maintain a basic livelihood. One afternoon, the motorcycle taxi drivers gathered at the pass waiting for passengers. Tie Lao Da did not expect that this would be the last time he met his brother. A long-haired young man (played by Wu Xiubo) riding his younger brother's motorcycle suddenly became malicious on the quiet road, robbed the car with a knife, killed his younger brother, and then drove away. Tie Lao Da decided to chase the murderer for thousands of miles to avenge his brother. He rode a motorcycle from south to north, Guizhou, Chongqing, Inner Mongolia, and Shanxi; tracking all the way, he experienced betrayal, fraud, the sinister world and the struggle of his own emotions, and finally found the murderer in a black coal mine, but he also