Release Message:  Valerian (Gwendal Anglade) and Laureline return to the solar system where Earth once was, and they hear weak signals coming from the still-intact moon.

Description:  Valerian and Laureline return to the solar system where Earth once was. They hear weak signals coming from the still-intact moon! After touching down, they discover a Moonbase and inside, archival footage featuring a mysterious gray-haired gentleman who offers a clue as to what happened to the Earth.