"Dragon Scale" Qin Yun, the former captain of the Shenlong Special Forces, retired with seven team members. Introduced by his mother, he became an ordinary driver for his childhood sweetheart Liu Ya's company, but he was involved in a transnational conspiracy surrounding cutting-edge technology. Liu Ya Company is frequently coveted by various forces. Qin Yun receives a secret order from the state at a critical moment and shoulders the heavy responsibility of protection. At the same time, his seven former beautiful subordinates all possess special skills and are devoted to him. They came back one after another and acted as guardians in the name of "chasing their husbands". Everyone joined hands and finally uncovered Zhao Shilong, the mastermind behind the scenes who was instigated by foreign forces. While protecting the technological security of his country, he also composed a legendary war song of iron-blooded tenderness.
