In modern society, security measures have become standard practice for companies. If an employee forgets their access card and gets locked out of the office, they can't get back in. Especially during late nights or holidays when no one else is around, this situation becomes extremely dangerous and terrifying for a woman. While companies deploy security guards to maintain safety, these guards aren't always heroes. During late-night or holiday patrols, women who feel helpless and isolated may turn to them for help. But the cruel guard, who has been watching them all along, is now unleashing his depraved desires. Behind the shadows, a disturbing and horrifying act is about to unfold.