In rural Kentucky a group of Pentecostal Christians believes God protects them from deadly snakes, fire and even poison. Are these miracles real or just theatrical tricks? A snake specialist and psychologist investigate. In Poland, a young mother asks the spirit of a dead Pope and a powerful icon to miraculously heal a sick child. Does faith really have the power to heal or is this just a case of misdiagnosis and placebo effect? And in Mexico City, a woman who believes she is possessed by demons agrees to a dangerous shamanic exorcism to help set her free. Will the ritual help or make things worse?