On the 2nd of October, when Colonel Rimfire, at the Looney Club in London, announces about his beliefs that cats are the most intelligent animals (after his many plans were foiled by Cool Cat), Granny, hoping to raise money for a nearby children's park, makes a wager that her Tweety can fly around the world in 80 days,…

当Mark，Parker，Melissa和Karen(两男两女) 决定在Pleasant Point这个小镇露营时，她们发现这里并不简单，其中包括一连串的残忍谋杀案。后来Melissa被患了精神病的医生绑走了，他认为Melissa是他去世的妻子回来找他，3个朋友必须和当地的警方联手来救Melissa，以及找出那个杀手，并且在身心到达能忍受的恐怖极限前逃命......

In the historic melting pot of 19th century New York City, Fievel and the Mousekewitz family are struggling to make their American dream come true. But when a mysterious treasure map leads Fievel and his friends to a secret world of Native American mice living beneath the city, he finds something even more precious tha…

In the historic melting pot of 19th century New York City, Fievel and the Mousekewitz family are struggling to make their American dream come true. But when a mysterious treasure map leads Fievel and his friends to a secret world of Native American mice living beneath the city, he finds something even more precious tha…

本作是《美国鼠谭》系列的第四部，在本片中，老鼠Fievel与他的伙伴们要合作寻找一只让纽约城感到恐惧的野兽，一次充满魅力的冒险又开始了。

在第十九世纪的纽约市，老鼠fievel在努力使他的美国梦成真，但是从天而降的一张神秘藏宝图，让fievel和他的朋友发现了一个城市深处的藏宝世界，他们的冒险就此展开了。