River Monsters: Volcanic Island Terror

On a volcanic island in the Pacific Ring of Fire, an ancient fishing community is being terrorised by something in the water that has left behind a trail of bloodied victims. With a collective knowledge built up over centuries, these fishermen thought they knew everything in these waters - until now. The only clue they have to the attacker's identity are the large puncture wounds it has left behind. Here, angling detective Jeremy Wade journeys to this land of fire and folklore to put himself to the ultimate test - can he uncover the identity of this mysterious fanged assailant?