Scientist Reed Richards asks his old university roommate Victor Von Doom, now a billionaire industrialist, for funding to launch a mission to Von Doom’s space station to study the effects of a cosmic storm. The expedition launches with Reed, Von Doom, Von Doom’s chief geneticist Susan Storm (Reed’s old flame who is now wooed by Von Doom), her hotshot brother Johnny as pilot, and Reed’s friend Ben Grimm. But once on the station they discover that the storm is accelerating. The expedition is hit by a full blast of radiation. Back on Earth they soon discover that the radiation has left them with strange abilities...