The real FF is inprisoned by the government for their criminal acts. They escape and decide to flush out the imitating Skrulls.; Four shape-changing Skrulls pose as the Fantastic Four and act as criminals while the true ones are in the country and recall their origin.; The FF infiltrate the Skrull mothership and pose as the Skrull spies. Mr. Fantastic uses clippings from Strange Tales and Journey Into Mystery to trick the Skrulls into thinking that the Earth forces are too strong to attack.; The four Skrull spies are captured, forced to take on the form of cows and then hypnotized to forget all of their former lives.