The Basement

You and a group of friends decide to go check out this abandoned house in the woods...you've heard the owner went crazy and has been torturing people in the basement. Once you get there, you guys decide it isn't such a great idea after all, but one of your friends decides to go in anyway....You hear screams... then silence. At this point you are pretty sure you need to leave...BUT you're in the middle of nowhere with no cell signal and your friend HAD the keys. Can you go in The Basement and retrieve the car keys before the maniac comes for you..?? You have 1 hour to escape!!