The cave traps you the moment you enter it. It gives off the impression that you're going to get out, and that's what Sarah's plan is. But the deeper she goes, the further she is from escaping, becoming a prisoner of her own freedom.
AU. When Shego wakes up to find herself stranded in a mysterious cavern with Kim Possible she is sure that it can't get any worse. They have no way of calling for help, and they only have one option for finding a way out. Shego and Kim will make surprising discoveries in the midst of fighting for their lives. Warnings: language, femslash and violence