After being reconstructed, Cytro becomes Max's mission partner, but now both are placed under the direct orders of Forge Ferrous, a new N-Tek field commander instead of Jefferson. This new boss is a freak control with an aggressive and all-for-the-team attitude which contrasts with Max's free spirit, causing several conflicts among them. In response to an emergency call, Max and Cytro are sent to an Antarctican subterranean lab which is also a prison for an unstable N-Tek agent who suffers some kind of mutation due to heavy exposure to chemical contamination.

For first time, Max Steel will face his three greatest enemies: Elementor, Extroyer and Toxzon! Troy Winter is alive! Troy, Max Steel's greatest rival on extreme sports circuit, has been transformed into the evil Extroyer, getting the ability to transform. Troy has returned in human form and has no memory of his evil past, can Max trust him? Will Troy become Toxzon's puppet to create a toxic storm that will sweep across the planet?

Max Steel returns in a new action-packed adventure to face his latest rival: former extreme sports star Troy Winter, the only guy Max could never beat. In a race to recover a mysterious and powerful meteorite of crystal, Troy Winter accidentally becomes a new and dangerous villain named Extroyer. Extroyer has the power to "extract and become", can steal their victims their power and strength. With the help of his team in N-Tek and his powerful vehicles, Max will protect the world and face his darkest rival.