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Rebecca's secret is that she is married and divorced. She never told Abe. Abe found out when he went home for a visit and to tell his Mom that he was engaged to Rebecca and that they are getting married. Abe's Mom said the rumors all around is that she is married. ABE WAS SHOCKED. If Abe marries Rebecca, he will lose his own family and cannot be Amish. Abe went back and asked her and she admitted that she was married and divorced and there was no point in telling Abe that and Abe disagreed because if he marries her, he looses his family, the church and being Amish.