Dougie Vipond takes a trip down the new 'Smugglers' Trail', Sarah Mack finds out how Perth became the centre of the international cattle trade, Euan McIlwraith finds out about the renewable project that will transform a village and the Landward food van hits the streets.

Dougie and the team head to the Caithness coast and the tempestuous waters of the Pentland Firth. Euan visits the uninhabited island of Stroma, Sarah tries to catch a glimpse of an orca and Dougie looks at efforts to harness the power of the tides to generate electricity.