As the Quesnel River runs through the Cariboo region, its comparable to Jekyll and Hyde. The river that leaves the lake is slow and meanderingits a forgiving stream. If a fly angler misplaces a fly while casting from the drift boat, theres time to pick up and hit the water again. After a few kilometers, the river transforms into a powerful and erosive agent moving quickly through the sparsely inhabited region. In this episode Jim and Derek have to adjust their angling tactics in order to successfully fool the strong resident rainbows.