Elisabeth Sparkle, a former A-lister past her prime and suddenly fired from her fitness TV show by repellent studio head Harvey. She is then drawn to the opportunity presented by a mysterious new drug: THE SUBSTANCE. All it takes is one injection and she is reborn, temporarily, as the gorgeous, twentysomething Sue. The only rule? Time needs to be split: exactly one week in one body, then one week in the other. No exceptions. A perfect balance. What could go wrong?
