This book is about a famous girl named Mia witwicky and her dad Sam witwicky. They are facing tragic moments when they are keeping robot aliens called the autobots in their garage. But in day everything changed when they are now being attacked by other robot aliens called the deceptions. They are after the autobots and Mia She seems to have this code in her head since she was born. She now is under protection by the autobots so they won't get to her.