David enrols in a distilling course at Campbeltown, is taught the alchemy of blending whisky by Famous Grouse master blender Kirsteen Campbell, and visits distilling students at Heriot-Watt University.

On Speyside, David learns the progression of whisky from illicit distillation to landmass-dominating global superstar.

David travels to some of Scotland's rivals in the whisky market, as many countries begin making their own versions. His journey begins in Norfolk, then on to Japan, Tasmania, and Sweden.