You are Jem, the super-glamorous rock star! You're in New York City for a whirlwind of parties and concerts to promote a new line of costume jewelry based on the priceless Langley jewels. - But while you're modeling the real Langley jewels at a big photo shoot, the room suddenly gets dark. When the lights come back on, the jewels are gone! - Your rivals, the Misfits, and the ruthless Eric Raymond - who'll do anything to hurt your reputation - blame the crime on you! Now you and the Holograms must find the real thieves!