Ren Haoming is a Chinese agent in a certain Eastern European country, and has been secretly fighting with the mysterious person S. Ruan Qingtian is Ren Haoming's closest girlfriend. In order to protect her safety, Ren Haoming had to take Ruan Qingtian back to Ren's villa for house arrest. Ruan Qingtian met Ren Qingqing, Shao Hui and others in China, and fell into danger unknowingly. Shao Hui learned from his men the true identity of Ren Haoming, and was worried that he would be found out by Ren Haoming, so he decided to kidnap Ruan Qingtian to protect himself. With the help of Ren Qingqing, Shao Hui successfully kidnapped Ruan Qingtian abroad and used it to threaten Ren Haoming. Fortunately, Ren Haoming discovered in time that Shao Hui was the mysterious person S, and rescued Ruan Qingtian at the critical moment. Shao Hui was killed on the spot, and the clues behind the mysterious person S were interrupted again. In order to find out the final truth, the agent president joined hands with the hot girl and his wife to embark on a new journey again.