After spending a year searching in vain for the quantum nexus, the Sparticles tribe are falling apart and Holly decides to put an end to the quest by selling the key to Fizzy. Sadiq realizes that the key fits perfectly into the crown of a stone head among the artifacts that Fizzy has collected and reunites the Sparticles to challenge Fizzy for the chance to win back the key, the stone head, and Reese's freedom.