讲述了17岁的女孩塔尼娅的故事。她计划在秋季入学前与朋友一起去欧洲度假。但是，她的妈妈决定去泰国参加一个健康疗养活动，因此塔尼娅不得不留在家里照顾她的兄弟姐妹。正如标题所示，当他们年迈的保姆意外去世时，塔尼娅找到了一份为一位雄心勃勃的女性工作的工作。在她努力平衡工作、家庭和复杂的爱情关系时，塔尼娅在失去最后一个自由的夏天的代价中，开始体验成人生活。

Sue Ellen Crandell is a teenager eagerly awaiting her mother's summer-long absence. While the babysitter looks after her rambunctious younger siblings, Sue Ellen can party and have fun. But then the babysitter abruptly dies, leaving the Crandells short on cash. Sue Ellen finds a sweet job in fashion by lying about her age and experience on her résumé. But, while her siblings run wild, she discovers the downside of adulthood