Spinal Tap, having put Stonehenge on the map in their legendary song about the world heritage site, pay their first-ever visit to the monument. As if drawn by some primal, magnetic force, Nigel Tufnel, David St. Hubbins and Derek Smalls set out on a pilgrimage to this ancient site. The silent song of these mysterious lithic Sirens inspires the distinguished artistes to make a trans-generational house-call.