Pert casino waitress Colleen Cossitt, who dreamed of being a showgirl, instead now is literally "the biagest star in Vegas" after a laboratory mishap triples her to a towering 16-foot-1⅛. Guilt-ridden scientist and longtime customer Keswick Fletcher hides "little blonde goddess" Colleen from the world and unsuccessfully seeks to restore her to former proportions, as she feels freakish and unloved despite secret support from relatives and friends.