After solving "Dr. Cyborg" in the first episode, the "Fantastic Four" has gradually adapted to their new identity, and the team members have a good life. Reid (Ioan Gruffudd) and Susan (Jessica Alba) finally enter the church, however, just as the wedding is halfway through, a sudden wind blows and a silver lightning bolt flashes across the sky.
Reed hurriedly called "Thunderbolt" (Chris Evans) to catch up and see what happened, the clinker "Thunderbolt" was not the opponent of the other party at all, and Reed's concern became a reality: a new enemy appeared - "Silver Surfer" (Doug Jones)!
Disasters began to plague all parts of the world. Through investigation, Susan discovers that "Silver Surfer" is only forced by the "Planet Eater" Galactus to help him find a planet in the universe that can be devoured, and this time the target is - Earth! The "Fantastic Four" is out again, can this time help the poor "Silver Surfer" and successfully save the earth?