1956, the Scottish Highlands: Aaron and Robbie, a schoolmaster-s son and a farmer-s boy, are fast friends with a shared passion for diving, but very divergent ideas of what they will do with their lives.
Meanwhile, Mark and Ally, bright pupils at Edinburgh-s grandest private school, are aspiring to make change in the world - one through high finance, the other on the political stage.
And Joseph, heir to an Aberdeen trawler-fishing dynasty, is brooding over whether his true ambitions are set higher than his father-s succession plan.
For each of them, the discovery of oil under the North Sea will make their dreams achievable. But behind the promise and temptation of ''black gold,'' there is a price to be paid. Over the passing years, they will discover that oil can overthrow relationships, turn friends into foes, and even put lives in peril.
