一个现代化的动物都市，每种动物在这里都有自己的居所，有沙漠气候的撒哈拉广场、常年严寒的冰川镇等等，它就像一座大熔炉，动物们在这里和平共处——无论是大象还是小老鼠，只要努力，都能闯出一番名堂。兔子朱迪从小就梦想能成为动物城市的警察，尽管身边的所有人都觉得兔子不可能当上警察，但她还是通过自己的努力，跻身到了全是大块头动物城警察局，成为了第一个兔子警官。为了证明自己，她决心侦破一桩神秘案件。追寻真相的路上，朱迪迫使在动物城里以坑蒙拐骗为生的狐狸尼克帮助自己，却发现这桩案件背后隐藏着一个意欲颠覆动物城的巨大阴谋，而朱迪和尼克也在历尽艰险的查案过程中成为了好搭档。
A modern urban animals, each animal in here have their own homes, Plaza Sahara desert climate, year-round cold glacier town and so on, it is like a big melting pot, the animals here Peaceful Coexistence -- whether it was an elephant or a little mouse, as long as you work hard can break some tricks. Rabbit Judy grew up on the dream can become animal city police, despite all the people around feel rabbit impossible when the police, but she still through their own efforts, among the to the whole is bigger animal town police station, became the first officer for rabbits. In order to prove himself, she decided to solve a mystery case. Follow the truth on the road, Judy forced in animal town to swindling fox Nick to help himself, but found behind the pile cases hidden an intended to subvert the huge conspiracy Town animal, and Judy and Nick is in jeopardy of investigative process become a good partner.