When the Mason sisters inherit a sudden fortune, Nina immediately begins planning for a steam-yacht and a debut in high society. But Cathy, the quiet conscience of the family, uncovers a darker truth behind the gold: their uncle’s wealth flows from the city’s most desperate tenements. Faced with a choice between a gilded life and moral ruin, the sisters must decide if they have the courage to lose everything. Meanwhile, a certain handsome solicitor watches their decision with an interest that goes far beyond business.