You're at home in your apartment, working late at night on your laptop. You feel a subtle sense of unease, sensing someone's presence just out of your sight.

You get up to check the door, making sure that it's locked and secured. Suddenly, you feel a tingling feeling on your neck, as someone's hand reaches out from behind to put a cloth over your nose and nose. You struggle to pull away, but it's too late as the world goes dark...