Right now you're facing a glass door. turn around and move towards the bed. Now turn left and exit the room. Here you can find a staircase in front of you. Turn left and walk in the corridor till you reach the entrance of an another bedroom. Now slightly turn towards your right and move towards the bed. Now slightly turn right and you can see a narrow window in front of you. Move toward that narrow window and turn right. Here you can find a room with empty cupboards, enter into that room and that is the end point.