在这部孪生姐妹妙事多喜剧/家庭/冒险片中,凯丽（玛丽-凯特·奥尔森 Mary-Kate Olsen 饰）和林恩（艾什丽·奥尔森 Ashley Olsen 饰）是一对出生在贫穷家庭里的孪生姐妹，他们的爸爸妈妈陷入了重重的债务危机之中，如果无法筹得欠款，那么他们就将要失去他们赖以生存的家。
无奈之下，夫妻两人决定向残暴的阿加莎借钱。阿加莎有一个名叫索菲亚的双胞胎姐姐，她用自己无意之中得到的拥有强大魔力的月亮宝石，将索菲亚封印在了一面镜子里。如果索菲亚不能够在70年内找到从镜子里出去的方法，那么她就将被永远的困在其中。想要打破魔咒，需要一对双胞胎在镜子前面说出规定的咒语，得知此事，凯利和林恩决定结伴而行，踏上了解救善良的索菲亚的旅途。
The Farmer family is in big debts; they might lose their house soon. The seven year old Farmer twins, Kelly and Lynn, decide not to let this happen. They discover that somebody really mean and shrewd is responsible for all the problems of their family: it's their aunt Agatha! She has supernatural abilities but unfortunately uses them to do bad things. She is malicious and loves injuring others, even her own family. The girls must take the magic stone from Agatha ...
