Transformers Prime: Rachel's Story

In Transformers Prime new Decepticons come out of the shadows but are bad and very evil. The Autobots have only one bot in mind that has the guts to take these Decepticons down. Will this bot agree to help them or refuse and let them fight their darkest hour.
: ! : Everything in this book belongs to Hasbro except for Rachel, Nautica, and, Chromia! : !