一对情侣（张京生 & 吕丽萍 饰）为了钱财抢劫火车，致使一辆运送剧毒药品的罐装车毒气泄漏，最终烧穿了臭氧层。
与此同时，正因病在家休息的男孩（张宁 饰）突然发现能够听懂好朋友大白猫的语言。大白猫告诉他这起严重的事故，如不及时加以制止，地球上的生物最终都将灭亡。然而大人们 为了金钱忙碌奔波，根本不会相信男孩和动物说的话。万般无奈之下，男孩只能和其他动物联合起来寻找污染源，以一己之力拯救全人类……
本片荣获第十一届金鸡奖（1991年）特别奖。
A couple (Zhang Jingsheng & Lu Liping) robbed the money train for money, causing a canister truck carrying highly toxic drugs to leak gas and eventually burn through the ozone layer. At the same time, the boy (Zhang Ning) who was resting at home due to his illness suddenly found that he could understand the language of his good friend, Big White Cat. The big white cat told him that this serious accident, if not stopped in time, the living things on the earth will eventually perish. However, adults are so busy running for money that they do not believe what boys and animals say.
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