The actor travels to the west coast of Scotland in search of the area's famous shellfish. On the island of Mull he meets local fisherman Johnny, who takes him out to catch lobster and velvet crabs, but the weather fights them on their journey.

The actor is in his home county of Northumberland in search of scampi, beginning his journey at Fish Quay in North Shields, the busiest prawn port in the UK. Robson voyages out into the North Sea aboard fishing boat Tori Allana to see if he can learn the tricks of the trade and uncover the secrets of skipper John's success by pulling in the biggest, freshest prawns and langoustines.