Long ago, Sam Witwicky, helped the Transformers. He saved his planet, Earth. But something went wrong. Four of us, Autobots, were captured by these evil human. Bumblebee, Crosshairs, Chromia, and Arcee now have to find their way out of the control of Act Bracelets. They come upon four teens that are willing to help. But one of those teens are hiding something dark, something that could cause one of Autobots to break down. Sam Witwicky sacrificed his life for us and we are in his debt forever. His son, Caleb Witwicky, is who we are looking for and these teens will helps us.