Alex Mack is an ordinary teenage girl, just starting junior high and living in a modern corporate community is accidentally contaminated by a secret chemical product of The Plant. She soon discovers that it gave her strange powers. However, her powers prove to be unpredictable. The owners of The Plant continually seek to find out which of the local kids has been contaminated so they can experiment on her, but their employees are less than competent and the search is comedic and futile.