Retired special forces soldier Lin Zhan, codenamed "Dragon Blade", was betrayed during an overseas mission three years ago. He was the only one in the team who survived. He returned to Binhai City anonymously and found that his sister was being bullied by the Huanghu Gang. He took action to teach her a lesson and gradually became involved in the underground power network. Use ruthless means to destroy the Huanghu Gang and Longye Group, and uncover the capital chain between the "Shadow" organization and international capital. He founded Dragon Shield Security, used special tactics to lay out business wars, and pursued cross-border pursuits to Southeast Asia and Europe. In the end, he discovered that the ultimate enemy was his former comrade Chen Tianlong. To avenge his brothers, Lin Zhan consolidated his forces and established his own order and empire.
The plot is good and very enjoyable