Held hostage by the Devils gang, Rosie's life hangs by a thread! Now Jet must chase an ancient potion said to restore lost youth. But to find it, he'll plunge headlong into a labyrinth of danger, deception... and ticking time!??? Can Jet unlock the secret before Rosie's time runs out? Will the serum damn them both? Download for another pulse-pounding chapter of— Jet Black and the Silver Star Crew!