Chester Royde, an American millionaire, travels to Scotland with his new bride Carrie & sister Myrtle, to find out more about Carrie`s Scottish ancestry. Their new `relatives` turn out to be a little more authentically Scottish than they bargained for. Ben Nevis, Laird of Glenbogle Castle, is fiercely protective of his lands & the Macdonald clan spirit, but being cash-strapped he`s not above attempts to marry heiress Myrtle to one of his many brawny sons. But then a group of hikers stumble onto his moor & spoil a day`s hunting, sparking all-out war between gentry & commoners.