Super Security

Super Security Plot:

Qin Zhan, a retired special forces soldier, works undercover as a security guard in an upscale neighborhood to investigate his sister's mysterious death. By day, he's the kind-hearted doorman; by night, a skilled hacker tracking clues. When he discovers a connection to a multinational conglomerate, its heiress Lin Xia starts showing romantic interest. As his cover nears exposure, a life-and-death confrontation involving billion-dollar secrets unfolds in the complex's surveillance blind spots...