Diana is married to a high-ranking Civil Servant who is a workaholic and he neglects her badly. Diana takes part in an experiment after receiving hospital treatment on her holiday. In due course, she notices that everyone else is getting old but she is still remaining young and beautiful. When she visits the scientist, he tells her that the experiment is one where, if successful, she will live to almost two hundred years of age and remain exactly as she looks at present for all that time.