Extant House Escape

Today, you went for a walk with friends. You wandered through the woods, and found the house, which had never before seen. It seems that he was a few hundred years. Solve your friend to go inside and look at how it has been preserved. He went and disappeared. You scared and ran after him. You will be surprised, as in this house looks very modern. Your friend's nowhere to be found, and the front door behind you, closed with a key.