Thinking you can see the smoke >> reporter: now in the dark, the henthorns were off the grid. and still waiting. just before 7:00, an hour after harold's first call to 911, an operator called back to talk him through cpr. >> hello >> harold, this is julia, estes park police department they tell me you need some assistance doing some cpr. >> any help you could give me would be good. >> okay. is she awake >> no, unconscious >> okay. i'm going to go through my questions really fast with you is she breathing >> her breathing has gone from ten to five -- and nothing, to zero >> okay. what i'm going...