Sissy Hankshaw is born with enormous thumbs that help her hitchhiking through the US from a young age. She becomes a model in advertising and her NY agent \'the Countess\' sends her to his ranch in CA to shoot a commercial, set against the background of mating whooping cranes. here, she befriends Bonanza Jellybean, one of the cowgirls at the beauty ranch. The cowgirls take command of the ranch from the Countess and \'drug\' the cranes with \'peyote\'. The police besiege the ranch.

韩细细天生爱自由，常乘顺风车四处流浪，但在她心底，她渴望著爱。在为某伯爵的美容及卫生用品拍广告后，她更遇上一个中国人，令她的生活起了极大变化。她发觉自己爱上了一“牛女"首领。但就在她自以为可安顿下来，享受爱之时，随之而来的，却是令她不能自拔的，连串出乎她意料之外的事……