Barbara Scott, (Kay Parker) distraught and yearning for her son Paul, turns to her younger son Jimmy (Jerry Butler). Jimmy discovers his mother's affair with his older brother Paul, and slowly his love for his mother turns to lust. Barbara, jealous ofJimmy's girlfriend (newcomer, luscious Lisa Lake) begins the deliberate seduction of her youngest son. His fit, muscular body enflames her with the passions she knows she should suppress. At the same time, Joyce McBride (Honey Wilder), Barbara's best friend and confidant, is enjoying carnal gratification with her own son, Byran. Taboo III takes us into the forbidden world of a mother's sinful lust for her handsome son. It dives deeper into the dephts of raw passion than any other film.