Neeka tries to drive his father's truck, which subsequently catches fire after bumping over a rock, and explodes in a ball of flame. Three terrified horses nearby break out of their corral and run off. After Neeka, Lassie and Dean put out the fire, they find the horses, including Neeka's horse Cloudy, who has been hurt in the escape.

During a surveying trip at a former bombsite sleighted to become a national grassland, Scott carefully disarms the unexploded bomb next to a trapped man while Lassie shuttles supplies to him.