Gorgeous Samantha Phillips has it all: a successful career as an attorney, a beautiful house, and a husband who loves her. But Samantha is unhappy in her work and has grown to despise her husband Glenn. She seeks therapy from the eccentric Dr. Francine "Frankie" Franklinbut the good Doctor's experimental hypnosis techniques have an unexpected side-effect: whenever Samantha gets sexually excited, she regresses mentally into "Sammi," her nineteen-year-old self. Sammi is a flirtatious brat who lives to shop and engage in unwise sex with strangers. Only a firm spanking can make her grow up. Will Glenn be able to provide the proper disciplinary environment for his disobedient wifeor will Sammi's second adolescence lead her into real trouble?