Extend the Story - Add a Room

You open the blue door and walk inside a pitch black room, feeling around with your hands along the wall. Were is the light switch! After a long time of searching the crumbling walls you find the switch and flick it up, waiting a couple seconds before a swaying over head bulb comes to life. You squint around the room and gasp. Theres no door out of this room besides the one you came through. You shrug and try to open the door you came through...but it's locked! You flatten your back against the door an take in your surroundings. It's a white room all around..with white carpets, no stains visible, and white wallpaper clear as can be. You shiver. Looks like a mental hospital room to you.
You walk around the small room and press your ear to the ground. But before you can get up, you hear the door open behind you an footsteps come near you. What should you do!

Spina round to face who ever is there.