After the defeat of Megatron and his Decepticons, Equestria has once again returned to peace and serenity. However, Soundwave has managed to capture Rumble and attempts to use him as a means to accomplish his ultimate plan. But how will the little colt react to the whole predicament? Will he abandon his former life and accept his role as Soundwave’s minion, or will he fight for his life and return back home? However, unexpected help arrives to assist Rumble’s rescue and the ultimate battle against Soundwave.

Note: This takes place before MLP: FIM season 8 and during the events of Transformers: Animated season 3 premiere “Transwarped”.