Old oil tankers are shuttled on the sea. They are called the "shadow fleet" and fly the flag of an unknown small country. They set out from Russia, Iran, and Venezuela, evading the maritime radar of Western countries, and arrived at China's ports in the dark night. Ye Kai is the owner of these ships. In order to complete the tasks assigned by the country, he is bound to take risks and is not afraid of Western sanctions. Zhaoyao received a mission from the United States and must find out the boss behind the Shadow Fleet... Ye Kai and Zhaoyao are fighting to the death. One is a childhood sweetheart, the other is a close lover. What choice should Su Lai make?
