Murder on the High Seas. Thomas Thornton reads the newspaper article.

Can the murder of a young German man, fatally stabbed during a voyage out of London to Melbourne, have anything to do with the Thorntons? Alexandra's curiosity is piqued when a Prussian Count, who travelled on the same ship, shows up at Thornton Antiques in search of a rare amber postage stamp.

Alexandra Thornton and Benedict Archer have been married for one year. Benedict is estranged from his family, who own a vineyard in the Barossa Valley in South Australia. Alexandra urges him to try to heal the breach.

Murder. A strange count searching for a rare stamp. A missing opal. A family in turmoil. How are they all connected?

When a dark secret of betrayal and loss is exposed, Alexandra finds her world shattered.