Following the untimely death of his grandpa Gus (Jon Voight), thirteen-year-old Shaun (Aidan Cullen) disregards his parents wishes and embarks upon a great journey into the wild with his dog Riley, to spread his grandpa’s ashes from a remote mountaintop. Throughout the journey, Shaun is guided by the spirit of his grandfather. Together they overcome challenge after challenge, as Shaun traverses white water rapids and tries to evade two crazed hillbillies that are on his tail. Shaun must uses all the wits and tricks that his grandpa has taught him over the years as they share in this one final great adventure together!