素娥是修炼百年的白鼠精，能看透人心。她为报救命之恩，嫁给磨豆腐的张老实，助他发家致富，也帮了无数人。可日子好了，人心却变了。张老实贪婪日盛，与癞头和尚合谋，用蛇肉鸡蛋破了素娥的法力，令她当众现出原形，被剥皮剜心。头七之夜，素娥回魂复仇。谁料想，一切的一切和自己所想不一样。

园区摊主林素娥坚守品质，坚持每日用新鲜食材制作卤味，定价15元每份。对面摊主以低价加赠汤品抢占客源，林素娥因价高被劝退，转战货运站。竞争对手为牟利偷用变质食材，引发工人食物中毒，造成园区重大损失。主管幡然醒悟登门致歉请她回归。林素娥立下严苛留样验收规矩，凭诚信与底线揭穿对手栽赃，赢得众人尊重。

In this chronicle of a vaudeville family, Myrtle McKinley (class of 1900) goes to San Francisco to attend business school, but ends up in a chorus line. Soon, star Frank Burt notices her talent, hires her for a "two-act", then marries her. Incidents of the marriage and the growing pains of eldest daughter Iris are followed, interspersed with nostalgic musical numbers