The world is full of mysterious events that defy explanation and cannot be ignored. The survivor of a tragedy says a voice warned her to run; dozens of witnesses in different places all describe seeing the same UFO; a man with a chronic disease is suddenly and miraculously healed; and a girl recalls unknowable details from a previous life. This narrated, factual series examines the world's most haunting, perplexing, and shocking phenomena. Each episode focuses on one incredible phenomenon and investigates every possible explanation to its mystery. Searching for the truth behind each bizarre mystery, each case features high-quality reenactments, archival footage, convincing evidence and analysis from experts in the paranormal, medicine, history, psychic arts, law enforcement, anthropology, physics, psychology and more.