In 1928, a young girl, Lin Wanxing, disappeared because her father was doing business in Nanyang. She went to Nanyang alone to find her father. In Nanyang, she met Chen Jingran, the son of the president of the Overseas Chinese Chamber of Commerce. Chen Jingran is warm and kind. After learning what happened to Lin Wanxing, he took the initiative to help her find her father. The situation in Southeast Asia is complex, with both oppression by foreign colonists and disputes among local forces. The disappearance of Lin Wanxing's father seems to be related to a business conspiracy. Chen Jingran used the resources of the Chamber of Commerce to help Lin Wanxing investigate clues. On the way to find his father, the two jointly faced the difficulties of the colonists and the frame-up of business rivals. During the relationship, Lin Wanxing was attracted by Chen Jingran's sense of justice and gentleness, and Chen Jingran also fell in love with the strong and brave Lin Wanxing. In the end, the two found Lin Wanxing's father, exposed the business conspiracy, and also gained love in Nanyang.