Complex sentence: Thinking her "curse" has finally resurfaced, a devastated Louisa runs to her husband just as a man in coveralls runs up and starts berating Leonard for hitting an underground oil pipe with his tractor.
Split into simpler sentences: Thinking her "curse" has finally resurfaced, a devastated Louisa runs to her husband's side. A man in coveralls runs up and starts berating Leonard for hitting an underground oil pipe with his tractor.