“Book Descriptions: Sylvie reluctantly took Margot's place... — Sylvie's sister, Margot, was determined to become an actress. She refused to live in Greece with her husband, Leon Petronides, and their small son. So Sylvie found herself going to Greece to look after the boy. — The Petronides family was not thrilled with the substitution -- but Sylvie soon won them over, especially Leon. Andreas Petronides, his brother, was a different story.
He resented Sylvie's attentions to Leon. In fact, he seemed to suspect Sylvie's motives. The only explanation for his attitude never even occurred to Sylvie...” DRIVE