From their Holiday Campsite in Motueka, RV Rampage is moving on to the West Coast mining town of Greymouth, a region notable as the area used for the film "The Piano". After a long but stunning drive down the West Coast the Teams reach the location of their Tourist Challenge. There they will pan for gold in a remote mountain river, but to get to this river they must learn to drive 4x4 vehicles through some perilous terrain. Day 2 in Greymouth and the Rampage Challenge. The competition goes underground deep into the claustrophobic confines of a natural cave system. Their task is to successfully navigate the disorienting cave system to find and photograph rock formations identified by their guides. With no light the teams take hours to complete the challenge and emerge from the caves system to find night has fallen...