Lynn and Lucy are life-long best friends, their relationship as intense as any romance. Neither has ventured far from where they grew up. Lynn, who married her first boyfriend and whose daughter is fast growing up, is delighted when the charismatic, volatile Lucy has her first baby boy. Lucy, however does not react to being a mother as Lynn expects. Soon, they find their friendship is tested in extreme circumstances.（林恩和露西是一辈子最好的朋友，他们的关系和任何浪漫一样强烈。他们都没有冒险远离他们的成长之地。林恩嫁给了她的第一个男朋友，她的女儿正在快速成长，当魅力四射、反复无常的露西生下第一个男孩时，她很高兴。然而，露西并不像林恩所期望的那样对做母亲有什么反应。很快，他们发现他们的友谊在极端的环境中受到考验。----机翻）