Plot: Unspoiled and unexplored Coiba is a shining green jewel off the coast of Panama – rich in trees, rare animals and flora – but it is remained largely ignored by the locals and has never been plundered, settled or poached. But why? In perhaps his darkest mission yet, Dave journeys into the heart of Coiba in an attempt to uncover the secret behind stories of ghosts, torture, vampires and death that seem to haunt the island