Tammy Tarleton is an 18-year-old country girl who moves back and forth between her country family, which lives on a bayou houseboat, and the wealthy Brents, who own a plantation and pancake business. A powerful industrialist with a handsome young son hires Tammy as a secretary. A high society dame who wants her own daughter to marry the son, repeatedly but unsuccessfully tries to smear Tammy's reputation.