Diana's husband is taking her to an experimental trauma facility deep in the wilderness, but she can't remember why... As her memories begin to creep back in so do some unwelcome sinister truths about her marriage.

玛丽是一名滥用药物的咨询师，酗酒成性。她酒驾被抓，不得不接受父亲的邀请到尼亚加拉瀑布附近的家里与他同住。后来，玛丽渐渐发现父亲有很多事情瞒着她，玛丽还有个妹妹，却压根也不知道她的存在。这部影片有着清新、智慧的视角，既幽默又动人，是莫莉·麦格林第一次执导的作品。

A troubled woman on the edge of divorce returns home to her younger sister after years apart. But when her sister and brother-in-law betray her trust, she embarks on a vicious crusade of revenge.