Perfect (Second Opportunities #2) by Judith McNaught

A rootless foster child, Julie Mathison had blossomed under the love showered upon her by her adoptive family. Now a lovely and vivacious young woman, she was a respected teacher in her small Texas town, and she passionately lived her ideals. Julie was determined to give back all the kindness she'd received; nothing and no one would ever shatter the perfect life she had fashioned.