Teenaged detectives Joe and Frank Hardy uncover a plot to sabotage a ski resort. -- "As I rounded the corner, I spotted Rick just ahead. He paused and bent down to poke at something on the ground by his feet, muttering something that I couldn't make out due to the wind. WHOOSH! I gasped and jumped back as a huge pile of snow slid off the roof of the ski shack, completely burying Rick!" -- Container.