The Sky Disc of Nebra, a bronze disc 30 cm in diameter depicting the oldest known image of the cosmos, is a clue running through the story of Arthur Tempo and Alice Buton who along with fifty climate refugees have mysteriously disappeared from the face of the Earth. For climatologist, philosopher and lobbyist, Hilari Sands and his team of scientists, this mystery turns into a puzzle. During their research which takes them all across Europe they are confronted with one shocking revelation after the other. A mysterious group and a fifteenth-century bishop are the basis of a unique spectacle with a surprising denouement."