Focusing on the adventure journey of the reckless hero Zhang Zuolin from his youth to his youth. He was expelled from a high school due to a misunderstanding and returned to his hometown to reopen a veterinary farm. However, he caused trouble in Haicheng for his friends and bravely fought against the bully Han Jiuyang. He was framed and imprisoned by the rich man Cheng Dahuang. Fortunately, he was rescued by his righteous neighbor Wang Dafa who sold his house. He knew how to repay his kindness and planned to punish the evildoers. Later, by chance, he met Du Lisan, a powerful bandit in western Liaoning. With his courage and resourcefulness, he was appreciated by Du Laofan and adopted him as his adopted son. He struggled between the green forest and the market. He not only showed loyalty to solve problems for his friends, but also adhered to the bottom line and did not kill indiscriminately. He accumulated connections and sharpened his character in troubled times, laying the groundwork for his subsequent rise.
