She'd gone from one predicament to another

Meg had taken the blame when her young stepsister, Carol, provoked a tragic accident. And in the ensuing publicity she, and not Carol, had been branded a cheap little adventuress. So when novelist Simon Egan offered her a job as his secretary and the chance to escape with him to Colorado, Meg eagerly accepted.

Little did she know Simon had been personally involved in that tragedy, and mistaking her for Carol, had planned an elaborate revenge.

Why couldn't Meg convince him he'd chosen the wrong victim?