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.
The team investigates the abduction of a young woman and her daughter, who are being held prisoner by somebody who wishes the team to release a prisoner arrested on a…