On a rainy night in Linjiang City, young policeman Su Han rescued Shen Xinglan, the daughter of the business tycoon Shen Group, and their fates became intertwined. Soon, a serial murder case broke the calm of the city. Su Han joined the task force and discovered that there was a huge criminal network hidden behind the case, even involving high-level police officials. During the investigation, he met Interpol undercover Su Ran, genius hacker Ye Li and mysterious woman Lin Ya...
