This song was inspired by a novel by the Scottish writer Chris Brookmyre. 
In his 2011 book 'Where The Bodies Are Buried', the detectives use aerial images to hunt for undiscovered bodies. 
I took this idea and threaded it into a song about unpleasant secrets in a more general sense. Infidelity, mistakes, wrong-doings. 
These things are never really gone, no matter how far down you bury them. They're always lurking, even when you yourself are dead. 
Here, we also introduce to the album the fairly prominent metaphor of death.. which is nice.