Sofia had never warmed to Tony. She'd never warmed to Marcia either, from the jealousy a younger girl might feel for her older sibling. Marcia seemed to have 'married well', to Tony, a successful businessman who enabled her sister to live in style, denied little by way of material things.
The girls' family background had been somewhat of a struggle and Marcia's apparent good fortune had catapulted her out of this. Sofia wasn't so lucky yet... and she wanted everything that Marcia had.
Only recently had she become aware of what Tony's 'business' was. Was that something she would want?