When the heroic exploits of Max Steel appear on television, his fame grows ... the same as his ego. Max defies Ferrus's orders and falls into the trap of a new and dangerous enemy, Makino. Half man and half machine, Makino is super powerful and arrogant. The only thing that surpasses Makino's ego is his hatred for Max Steel. Using his ability to control machines, Makino makes humanity turn against Max.

As the power of Makino increases, it is difficult for the team of Max Steel to defeat him and everything falls apart: Cytro runs out of energy, Berto is kidnapped and N-Tek is forced to close its doors. This time, Max has to fix it alone...