When his star recruit botches a Major League Baseball debut, humiliated talent scout Al Percolo gets banished to rural Mexico, where he finds a potential gold mine in the arm of young phenom Steve Nebraska. Soon, the New York Yankees put a $55 million contract on the table—provided a psychiatrist can affirm Nebraska's mental stability.

While conducting a research experiment intended to bring about an alternative to modern surgery, exhausted Los Angeles surgeon Dr. Daniel Jekyll falls asleep and accidentally inhales the white powders, transforming him into a wildly uninhibited nymphomaniac.