X世代的我们，怀揣梦想，勇敢追寻自由与独立的未来。无限歌谣季第二季

　　A group of young mutants--humans with a genetic variation that gives them superpowers and makes them feared by the population at large--begin training at a school for heroes. Their studies are interrupted when they must rescue one of their number from a mad scientist who can enter others' dreams.