The war between the Autobots and the Decepticons continues as the human race comes to learn that landing on the moon was a larger leap for mankind then anyone knew. Optimus Prime alongside the Autobots are still searching for their enemies including a new Decepticon hidden in the ruins of Chernobyl, Shockwave who turns out to be guarding part of a lost Autobot ship upon discovering this, Optimus realizes that secrets are being hidden from the otherworldly bots. Meanwhile Sam Witwicky is trying to settle into everyday life with new girlfriend Carly Spencer, though he's dragged back into the on going war when he finds himself holding evidence that shows Sentinel Prime, whom Optimus brings to earth from the long dead Autobot ship hidden on the moon may be keeping something hidden as well. The Decepticons finally put into motion a plot that will bring humanity to its knees and crush the Autobots alongside them, with the trap closing and odds stacked against them can Opti...