World hunger; the energy crisis; the poisoning of the environment - questions undreamed of by our forebears have become the common currency of today's news bulletins. In this Everyman film Ronald Higgins looks beyond our immediate crises to what lies behind them. Four years ago he gave up careers in the Foreign Office and at The Observer to explore the six threats he saw menacing mankind's future and to search within himself for the human factor which he believes to be the greatest threat of all: The Seventh Enemy.