The rescuebot recruits are enjoying a nice vacation on a private island. Unknown to them, transformers Prime villain Airachnid returns and sets her sights on one recruit in particular: Whirl. Using a special virus, she makes the happy and kind Whirl into a ruthless decepticon whose mission it is to destroy the rescuebots. With help from a member of team prime, will the others be able to change her back or is she the newest member in the decepticon armada?