安妮(斯嘉丽•约翰逊 饰),一名出身于普通工人家庭的纽约大学毕业生,带着母亲的殷切希望准备成为一名成功的职业女性。但是,就在安妮对自己的前途与未来感到迷茫的时候,一个意外却打破了她原本的生活轨迹,她在纽约上东区第五大道的X家找到了一份保姆的工作——全天候照顾X家四岁的儿子格莱尔。但是,这份收入不菲的工作却不像自己想象中那么轻松。 除了和任性淘气的格莱尔打交道外,安妮还要负责一些家中的杂活儿,同时隐瞒母亲自己现在的工作。而富有的X家似乎也不像那样光鲜,X先生整日忙着赚钱,不在家中;X太太则忙于购物、打扮、社交,偶尔还对安妮的工作吹毛求疵,夫妇俩不但无暇顾及儿子格莱尔,而且婚姻似乎还出现了裂痕。而此时,一个帅气的富家子弟哈佛(克里斯•伊文斯 饰)却闯进了她的生活。卷入这一切的安妮是否能当好这个富家保姆?她与哈佛将情归何处……After graduating from Montclair State, New Jersey Girl Annie can't make up her mind about what to do with her life. After saving a little boy from being run over in the park, she is quickly employed as a nanny for a rich Upper East Side couple. Mr X is occupied with his business, Mrs X loves shopping, and neither really likes to spend time with their little boy Grayer. Annie quickly learns that she has more than her hands full taking care of him. Her busy schedule doesn't give her much spare time. Mrs X fired her last nanny because she was dating and that gives Annie problems when Harvard Hottie who lives in the same building asks her out on a date.