Hidden Truths: Book1

Bumblebee was going into hiding for his own good. Only to be found by the Autobots, Optimus Prime to be more exact. He never told him who he is. Optimus and his Autobots treated him with respect and kindness. For that, they got his loyalty. He loves Earth more than Cybertron. He knows there must be more out there that are like him, but where?
Soundwave was going into hiding for his own good. Only to be found by the Decepticons, Megatron to be more exact. He never told him who he is. Megatron and his decepticons never showed love, nor care for him. For that, they never got his true loyalty. He loves Earth more than Cybertron. He knows there must be more out there that are like him, but where?
How things will change for them. What will be these changes? How long until it happens? And what are they hiding?