在一幢地处偏远人迹罕至的湖畔小屋里,一具年老女性的尸体被发现了,为了收回尸体并查明死因,医生杰罗姆(连姆·尼森 Liam Neeson 饰)来到了此处。正当杰罗姆紧张工作之时,一个身影的出现将他吓了一大跳,仔细一看,竟是一名妙龄女子,可惜这名女子似乎并不懂得人类的语言,她的发出的叫喊和舞动肢体的样子完完全全如同一只野兽。 很显然,死去的老妇是这名女子的母亲,而在老妇留给杰罗姆的字条上,杰罗姆得知女子的名字叫做尼尔(朱迪·福斯特 Jodie Foster 饰)。尼尔的天真和害羞吸引了杰罗姆的注意,他决定帮助尼尔重返人类社会。然而,对于从小就离群索居的尼尔来说,重新回到复杂的人类世界真的是一件好事吗?Nell is a girl who's been brought up in an isolated world. The only people she knew were her mother and twin sister. They lived together in a cottage in the forest. Nobody has ever met Nell. After her mother's death, she's discovered by the local doctor Jerome. He's fascinated by her, since she speaks a mangled language, developed by her sister and herself growing up, "twin speak" if you will. But Paula, a psychology student, wants her observed in a laboratory. The judge decides they get three months to observe her in the forest, after which he'll decide about Nell's future.