Transformers: War for Cybertron plot
The war on Cybertron continues. Megatron wants Optimus to agree to a treaty. Optimus does not agree to the treaty, which puts the two sides in direct opposition to each other. The Autobots are outnumbered, and it seems like a lost cause. The only thing that can save the Autobots and the survival of Cybertron is the 'AllSpark'.