"Fair is foul, and foul is fair..." What do you do when it seems you can't trust anyone...even the man you love?
When Lizzie Smith starts rehearsing Macbeth with her theatre group in Edinburgh, she's convinced the witches' spells are the cause of a run of terrible luck. Lizzie's bodyguard boyfriend, Léon, is mysteriously turned down for every job he applies for, until he's finally offered the job of guarding "The Scottish Diamond," a fabulous jewel from the country of Montverrier.
But the diamond's previous guard has disappeared in mysterious circumstances. The Scottish Diamond has a history of intrigue and bloody murder, and Lizzie is plagued by nightmares in which Macbeth's witches are warning her of danger.
Then Lizzie discovers she's being followed through the streets of Edinburgh, and it seems her worst fears are about to be realised...

The Scottish Diamond is a standalone story. Lizzie and Léon first met in the romantic suspense novella Palace of Deception, which is set in the Mediterranean country of Montverrier.