One More River to Cross1980

It had been her own impulsive decision to help her look-alike cousin, Becky, by taking her place at Craigievar. Becky had promptly vanished. Then the river had flooded, cutting off access to the remote sheep station. So Rebecca was forced to continue the deception. To make matters worse, Rebecca had fallen in love with Darrock Fordyce, the autocratic owner of Craigievar. But what use was that when he thought she was Becky-- and engaged to his cousin Lennox?