The elite soldier Lin Bufan returns to his homeland at his master's behest to protect the descendants of his master's old friends, He Xinyi and Chen Wanqing. On his way home, he saves Su Qingcheng, the country's richest woman. Upon returning to his hometown, he discovers that his fellow villager Lin Haoran has embezzled the money he sent home over the past eight years. Lin Bufan joins Ming'an Group as a security guard and uses his unparalleled medical skills to improve He Xinyi's pharmaceutical formula. He goes on to save Chen Wanqing's grandfather, her sister and her daughter, as well as the actress Tang Ying. He repeatedly foils the revenge schemes of Lin Hao, the Crown Prince, the Old Buddha, and others, while exposing the company's spies. Through his medical expertise and extraordinary abilities, Lin Bufan amasses a fortune and wins the hearts of numerous women. In the end, he eliminates all his enemies and finds happiness with Su Qingcheng.