Optimus Prime goes solo and faces deadly danger in the shape of five new Decepticons, who have travelled to Earth from Cybertron with the express purpose of hunting him down. It's just part of Megatron's latest scheme to rid himself of Optimus Prime once and for all! And when you meet the Predacons, you'll realise that this time he might just succeed! But Megatron's not the only one scheming. Prime himself has something in mind - something that only his chief engineer, Wheeljack, can help to set up. And what deal has Shockwave struck with Razorclaw?