[Machine Translation] [Happy the Best!] Winner of the Cesar Award! The first feature film by Benex, director of "Betty Blue," is now available at a great price! --Jules, a young mailman with a passion for music, secretly records an aria from the opera "Walleye" sung by the beautiful and mysterious black opera singer Cynthia Hawkins, known as the Diva (Goddess of Song), at a concert. The tape of Cynthia, who would never allow her songs to be recorded, and the tape of Jules' confession revealing the secrets of a prostitution ring that was accidentally slipped onto Jules' mobiletta (moped). Jules is pursued by the police, a pair of punk-fashioned hit men, and a Taiwanese record label that wants to pirate the tapes. Jules' friend Gorodish, an eccentric man who dreams of "stopping the waves," and his partner Alba solve the complicated cases one by one, as if they were putting together a jigsaw puzzle...