A trip to the Rockies to snowboard? Cool. Hanging out with champion snowboarders on the mountain? Really awesome! When twins Cody and Otis Chandler, along with their cousin Rae, join their dad at the Shadow Mountain Lodge, they're expecting a relaxed vacation. But after a series of strange and dangerous “accidents” aimed at two rival snowboarders, the twins set out to discover what's going on--before someone gets killed.