Across the world a growing number of people claim to see fairies on a regular basis. John isn’t one of them, but is willing to do anything to change that. Heading out into the ancient British countryside, the Unexplainers go in search of a chance encounter with a being from another realm. Recruiting the help of real witnesses, Iceland's leading Elf ambassador and a reluctant physicist from CERN’s Hadron Collider, the hunt is on.