Two best friends, Johanna and Jeanne, live in the small town of Decazeville, a mining town in France. One year at the Miners' Ball, the music group The Sirens perform, of which Johanna and Jeanne are members. In a spontaneous moment, a new friend of Johanna's (named Luc) discovers Johanna moxia.cc and Jeanne's incredible musical talent and singing ability when they sing a duet ...