When seventeen-year-old Molly Gibson's widowed father remarries, her life is turned upside down by the arrival of her vain, manipulative stepfather. She also acquires an intriguing new stepsister, Cynthia, glamorous, sophisticated and irresistible to every man she meets.

When seventeen-year-old Molly Gibson's widowed father remarries, her life is turned upside down by the arrival of her vain, manipulative stepfather. She also acquires an intriguing new stepsister, Cynthia, glamorous, sophisticated and irresistible to every man she meets.