Haiti is notorious for voodoo and its secret police, the dreaded Tonton Macoute. Stead becomes involved in a desperate and dangerous battle for control of Mogul's local company.
All the location film for this story was shot in the Caribbean, with Geoffrey Keen , Ray Barrett , and Philip Latham plus the other star of the show-the Dangerous Green Impala itself.
The Tonton Macoute are President ' Papa Doc ' Duvalier's personal and not very secret secret police force who use a combination of voodoo magic and good old-fashioned brutality to keep Haiti in ' Papa Doc 's ' good books.

Tribal quarrels, witch-doctors, political double-dealing, a drunken hotel-keeper and a mysterious blow-back on a decrepit drilling rig -all hundreds of miles from nowhere in the African bush ...