Retired special forces soldier Jiang Yu works as a taxi driver to escape the trauma of a comrade's sacrifice, and accidentally encounters the runaway wealthy girl Su Yumao. While escorting her to Yunxi Town, the two encounter a series of pursuits by dark forces, unearthing an old case from five years ago involving the sacrifice of teammate "Ye Zi". In dangerous straits, Jiang Yu and Su Yumao develop mutual affection, uniting with Qiu Yinong, who has a complex past, and comrade Xiao Zhou, fighting hard all the way, and ultimately destroying the transnational criminal syndicate led by Lei Ye with Chen Mo as the mastermind. After the dust settles, Jiang Yu and Su Yumao start a new life in Yunxi Town.