Jak is a globe-trotting photographer. He always travels with his friend Bil, a bird who, surprisingly, can talk. After the adventures of Kazakhstan and Gabon, Jak and Bil decide to take a well-deserved vacation in Scotland, in an old castle on the edge of Loch Ness. The stay goes well until their nights are interrupted by a ghost who involves them not only in a new adventure but also in an ecological project of a pernicious objective… Will Jak and Bil succeed in stopping a European-scale blackmail case prepared in the ruins of a mysterious Scottish castle? Will they have time to enjoy the beauty of the country and the richness of its culture?