X Men story is based in the world where humans and mutants live and fear each other. Mutants are human beings that have extraordinary powers like flying, super strength, reading minds, etc. X-Men are a team of mutants that use their skills and abilities to help other mutants and humans. Charles Xavier (Professor X) the founder of X-Men is one of the most powerful telepathic, who is able to read and control mind of others. He is running a private school where mutants can find shelter and learn to do the right thing.
Professor X is also known for making Cerebro, with the help of this devise, he is able to find anyone in the world. Cerebro devise was made with help of another mutant named Magneto. Magneto and Professor X used to be friends until Magneto goes on a different path. Professor X wants to help everyone including humans and mutants where Magneto believes that mutants are better than the humans and they are the future.