Turn right and go near the wooden door and then come out of the room. Now turn left and walk straight till you reach the second vault and then turn slightly right towards the sofa and walk to the sofa. From here, turn left and walk near the third vault entrance which is in your left and then turn right again, you will find a mat where center table and sofas are placed. Go near the mat and take left. now just make few steps and walk near the chest which is opposite to a mat, then you will reach your destination.