The story of Superman Returns begins with Superman's homecoming. After being away for five years, he comes back to Metropolis. His return is met with both excitement and suspicion. Lois Lane has a son, Jason, and is engaged to Richard White. Lex Luthor, having been released from prison, discovers Kryptonian technology on the ocean floor. He plans to use it to create a new continent, which will cause massive destruction. Superman must stop Lex Luthor's plan, protect the world, and deal with his complex feelings for Lois Lane.
One main event is Superman's return to Earth. Then there's the revelation about Lois Lane's new life with a son. Also, Lex Luthor's evil plan to use Kryptonite for his own gain is a major event. Superman has to fight Lex and also try to fit back into the world he left.