Alaska-based Magazine, Mushing Magazine commissions Gracey to cover a world-class dog-sled event called Mushers Rendezvous. Gracey covers a musher named Carl Knudsen who comes from a family of mushers. Keeping up and getting in front of the sleds will be Gracey's biggest challenge. underEXPOSED follows a team of action sport photo journalists and documents the adrenaline-packed challenges they face to get the shots and the struggles they have to find and sell the next big extreme sports story.