In the Greek myth, Deucalion and Pyrrha, Prometheus' son and niece, rode their wooden chest through the flooded world to safety, landing on a mountain top where they were all alone. How to begin? What to do? Kathy and Tom, she a just-graduated school girl and he her science teacher, finally found their way out of the winding tunnels of a cave, safe in a world where everyone else had died. What to do? How to begin?