The Helicopter Spies

The Helicopter Spies is a 1968 featurelength film version of The Man from U.N.C.L.E. s fourth and final season twopart episode The Prince of Darkness Affair. The episodes were originally broadcast in the United States on October 2, 1967, and October 9, 1967, on NBC. It, as does the television series, stars Robert Vaughn and David McCallum. It is the seventh such feature film that used as its basis a reedited version of one or more episodes from the series.

U.N.C.L.E. agents Napoleon Solo, Robert Vaughn and Illya Kuryakin David McCallum witness the aerial destruction wrought on an African village by Dr. Kharmusi using his newly developed thermal prism. U.N.C.L.E. then seeks out notorious safe cracker and former thermal prism researcher himself Luther Sebastian to help them obtain the device from Dr. Kharmusi. Sebastian is on an island among a religious group called The Third Way, a mystical organization with disciples having except for Sebastian platinum white hair and all having a belief that when the Old Man in their group finally speaks after twenty years of silence The Third Way will have dominion over the world. Wanted in nearly two dozen countries Sebastian agrees to leave the island and help U.N.C.L.E. in return for worldwide immunity from prosecution.Solo makes his way to Dr. Kharmusis fortress but is initially delayed by Annie and her friend Aksoy. She feels that Sebastian can help free her fianc and Aksoys brother, both of whom were unjustly imprisoned because of Sebastian. However, Dr. Kharmusis wife Azalea betrays her husband, kills Aksoy, abandons Annie, and helps Solo get into the fortress. Unfortunately for Solo, Annie follows him and, claiming to be his wife, gains access herself. ........

Source: Wikipedia