Margaret Sweeny, heiress to a considerable fortune, finds herself navigating the complexities of a divorce when she encounters Ian Campbell, a man of striking charm and title – the future Duke of Argyll, though already bound by marriage.

Despite persistent anxieties regarding her marriage, Margaret presses forward with her scheme to solidify her inheritance of Inveraray Castle.

The Duke and Duchess of Argyll have embarked on a bitter separation, their conflict unfolding under the relentless scrutiny of the press. Lines of contention are clearly established as they navigate this public dissolution.