As the Transformers recover from the Combiner Wars, Rodimus Prime makes a life changing decision, while Windblade finds herself at odds yet again with Optimus Prime. Unbeknownst to all of them, a new threat awakens, a long dormant Titan.
The Transformers are forced into action after the gigantic Titan Trypticon returns to wreak havoc on Cybertron. Perceptor proposes a daring plan to resurrect an ancient ally, while Mistress of Flame orders an all-out assault on the Titan.
Metroplex and Trypticon square off in a massive encounter that will shake Cybertron to its core. Meanwhile, Mistress of Flame reaches out to the newly liberated Hot Rod for help as Preceptor launches the Primal Basilica's defenses.
Overwhelmed by Trypticon, Metroplex finds help from the smallest of Transformers, Titan Master Emissary. Mistress of Flame is confronted by a brutal Decepticon who is determined to kill anything standing in the way of his revenge.
Megatron uncovers a sinister plan after finding Mistress of Flame close to death. As the brawl between the Titans rages, Hot Rod and Windblade team up to rescue Emissary and try to save Metroplex from the firepower intended for Trypticon.
Victorion, now the Ultimate Combiner, is forced to use her new powers to take on Trypticon. Back at the Primal Basillica, Optimus Prime entrusts the Matrix of Leadership to the one person he knows will never betray the Transformers.
Trypticon, closing in on the The Matrix of Leadership, wages war on Victorion. Awakened by Windblade and Emissary, Fortress Maximus returns to help our heroes before Cybertron is lost forever to Trypticon's destruction.
