并不富裕的伊莱扎（乌玛•瑟曼 Uma Thurman 饰）与丈夫以及两个年幼的孩子挤在曼哈顿的一间小小的公寓里。虽然伊莱扎一直都想成为一名专业的作家，但是无奈两个孩子年幼，而丈夫又要上班，所以她只能当起了全职妈妈，写作也只能在料理家务的间隙进行。这天是女儿卡拉拉六岁的生日， 伊莱扎一早便开始为生日会采购。可是谁能料到这样重要的一天竟然状况百出。当伊莱扎为了女儿的生日会四处奔波之际，她不禁为自己“无助”又“凄惨”的母亲生涯感到悲哀。可是当晚上看到女儿快乐的样子，而丈夫终于懂得体贴自己，伊莱扎终于感受到了作为一个母亲不一样的感受。...
A young artist wakes up in a life that she doesn't recognize, spending her time asleep haunted by nightmares of drowning in a black abysmal void. As she begins to uncover the truths of the life that she's found herself in, the gravity of her failing reality weighs heavily on her psychological identity and the reliability of her sanity is called into question....
