What if Shego's comet powers were more powerful than we originally thought? What if her true capabilities were simply waiting for her 25th birthday? With a title like this, no prizes for guessing what happens next.

For Kim and Shego, life has been going good. Shego has her body back, and Kim has someone in her life that will never leave her. Now, nearly a year after they confessed their feelings, they're thrown into a war that is going on with the Immortals. Lovely.

Kim Possible may not be human! How else could she dodge lasers, or do the things she does? But now everyone knows, and suddenly Global Justice wants KP more than ever as an increasingly hostile world wants to find out the depths of her secrets!