Is anybody watching it? If not, you should be.
The village is Turville, in the Chilterns
Windmill owned by Haley Mills, and a great pub, The Bull and Butcher … and just down the road from Wormsley Estate owned by the Getty family. 
What we want to know is, if, allegedly, in the plot the drones navigate only by GPS and don’t have cameras, how do you not collide with a tree?
Sonar? Infra-red? Magic? 