1/2. By John Buchan, dramatised by Patricia Hannah. In 1915 Richard Hannay is summoned to the War Office where he is told of an impending Holy War in the East.
Greenmantle - once a mythical figure, now made flesh - is preparing to lead a great Islamic army against the infidel English. Hannay's mission is to identify Greenmantle and destroy him.
Other parts played by members of the cast.
Repeated on Saturday at 9pm