A 19 year-old girl and her father go face-to-face with a fast-moving inferno as wildfires rip through Victoria, Australia. In the French Alps, two British skiers are engulfed by an avalanche. Amidst the searing Texan heat, a skydiving training session ends in disaster when there's a major mid-air collision at 30,000 feet, and in the usually calm city of Amsterdam, two young brothers are chased by a whirling wind spout which threatens to capsize their boat.