Haru and Elie came to Experiment City looking for clues that would lead them to the missing Rave Stones. What they found was much more shocking - the key to Elie's past! Their discovery could cost them their lives since Elemental Master Sieg Hart has sworn to destroy Elie, and he'll take out anyone who gets in his way - even the Rave Master himself! The fate of the entire time continuum is at stake in this shocking volume of "Rave Master!"