They lose their gear after falling over a massive waterfall.
Eventually, they meet an eccentric hermit named Del Knox (played by Burt Reynolds), who was D.B. Cooper's actual partner. Through their life-threatening mishaps, they realize that their friendship is the real "treasure" they were searching for.
They find temporary refuge with two "nature girls" living in a giant redwood tree.
Without a Paddle is a 2004 adventure comedy about three friends who reunite to find the lost treasure of hijacker D.B. Cooper.