Battlelines are drawn as the Duke and Duchess of Argyll enter into a bloody separation, all played out in the white-hot glare of a ravenous press.

Putting aside gnawing doubts about her marriage, Margaret continues with her plan to secure her claim to Inveraray Castle.

Heiress Margaret Sweeny is in the midst of a divorce when she meets the dashing (and married) Ian Campbell, future Duke of Argyll.