While saving the city from a giant gorilla, Captain X meets a glamorous new superhero, the incredible Cosmic Girl. The heroine is from a distant planet called Nigel, and has come to earth to help fight crime. However, Vicki isn't impressed with the newest member of the team and begins investigating Cosmic Gal's story, but disappears before she can share her discoveries. Now Captain X has to wonder, who is Cosmic Gal really, and what is she after?