Go Fish! with Will Millard: The Sewin

The presenter heads to the beautiful valleys of west Wales in pursuit of an iconic Welsh fish, the sewin. The region's rivers are revered by anglers from all over the world, but it will take every ounce of Will's experience and ability to catch one of their precious fish. He begins his mission at the remote Teifi Pools in the Cambrian Mountains, where he hopes that a lesson with a local fly-fishing champion will provide the casting skills he'll need to succeed in the fast flowing rivers in the valley below