Migrant worker Lin Fan unexpectedly becomes the bodyguard of female boss Ye Mei, tasked with protecting her rebellious sister-in-law Zhang Jing. With his formidable skills, Lin Fan repeatedly foils the schemes of Zhang Hu of the Leizhou Chamber of Commerce, only to be drawn into a deeper chamber struggle. Ye Mei's deceased husband Zhang Hua returns in a "fake death," having colluded with the Soros consortium that covets the Tianyu Group. While protecting Ye Mei and searching for the disfigured Zhou Jie, Lin Fan gradually reveals his mysterious background and extraordinary abilities. In the end, Lin Fan joins forces with international capital titan Mars to force the Soros consortium to its knees, rescues Ye Mei, and teams up with Zhou Jie and Ye Mei to confront the future.