The murderous plan of the Hidden Ones stands revealed, as does their history with the beseiged Inhumans! And with the Invisible Woman and her unborn child near death, and Mr. Fantastic a wanted fugitive, must the Human Torch put himself in the hands of his greatest enemy in order to insure the Fantastic Four's survival? Plus: The birth of Franklin Richards from FANTASTIC FOUR ANNUAL #6 -- the longest single FF story produced by Stan Lee and Jack Kirby! And to top it all off, the Impossible Man invades the Marvel Bullpen in a tale from FANTASTIC FOUR #176 by Roy Thomas and George Pérez!