The moon was full and the northern lights streaked across the skies, but the trail ran along the base of a thickly wooded slope, and the tall pines cast black shadows across it. Cass Evans urged his team to greater speed, when suddenly a shot rang out from far up the slope so Cass rang forward, jumped on the sled and lay flat. Then another shot, and another. He managed to break from the trees and looking back could see no-one, so continued toward Dawson...