《慧星美人》展示了舞台生活的内幕和一位无名姑娘如何登上明星宝座的经历。在以名媛赛拉·西顿丝命名的戏剧奖的颁奖仪式上，新秀艾娃力克众女星，获得戏后桂冠。大家向她热烈祝贺。在一片赞美声中，跟艾娃关系甚密切的一些朋友回忆起过去的情景……

　　八个月以前，立志当演员的艾娃经常光顾剧场后台，一次恰巧被剧作家理查兹的妻子卡伦发现，她见艾娃面目清秀，聪明怜俐，倒也是一个演戏人材，于是介绍给红得发紫的大明星玛戈。艾娃成了玛戈的跟班，终日伺候这位任性恣情的名角。与此同时，艾娃潜心学艺，进步很快。这被玛戈发现，不免起了戒心。尽管这样，艾娃锲而不舍，一方面极力巴结大名鼎鼎的剧评家艾德逊，以取得他的支持，另方面设法接近码戈的情人--导演比尔，请他多加指点，艾娃崭露头角，招致码戈的妒忌，后者大闹了一常卡伦对玛戈的任性颇为反感，决定教训她一下。有次乘汽车去赏雪旅行时，卡伦故意将玛戈坐车的汽油全部放掉，结果玛戈不能按时赶到剧场演出，只好请人代演。艾娃趁此机会登台，使出浑身的解数，一举成功。她不以美貌招徕，而是以真挚自然的演技赢得广大观众的欢迎。对照之下，浮华自负的玛戈和卖弄色相的卡丝维尔就相形见绌了……，终于，在以名媛赛拉·西顿丝命名的戏剧奖比赛中，艾娃荣获桂冠。颁奖仪式结束后，艾娃回到住处，发现了一个美丽的少女正用憧憬羡慕的目光等着她，一如八个月前的她自己。　　

老牌女演员鲁思·戈登根据自己早年的经历，先编成舞台剧YEARS AGO 在百老汇演出，再亲自改编为电影剧本，由乔治·库克导演。描述一名小镇少女不顾固执父亲的反对，坚决要成为百老汇的演员，终于如愿以偿。本片内容动人，主角两父女都演得出色。安东尼．珀金斯初登银幕，便显露出他的表演才华。

Wildly optimistic chatterbox Eva Lovelace is a would-be actress trying to crash the New York stage. She attracts the interest of a paternal actor, a philandering producer, and an earnest playwright. Is she destined for stardom, or will she fade like a morning glory after its brief blooming?

A young woman arrives in New York City determined to become a great theatrical star, but discovers that her goal may not be as easily attainable as she had hoped.

Teenage orphan Jenny Yates becomes starstruck when a revival of an old Victorian melodrama passes through her small New England town, to the disapproval of her stern grandfather, Uriah. Stowing away in the car of Philip Greene, a wealthy young man working with the theater troupe, Jenny talks her way into the play's lead role. But director Archie Fisher doesn't tell her that the new version of the play is meant as a spoof.