水獭塔卡出生在托特河桥洞下，有一个非常爱他的妈妈和一群友善的兄弟姐妹们。当然，和塔卡一起生活的，还有丧心病狂的偷猎者，他们以猎杀水獭为乐。一天，塔卡一家人的踪迹被偷猎者追踪到了，虽然塔卡最终逃过了一劫，但是他的爸爸妈妈却惨死在了偷猎者的枪下。失去了父母的庇佑，塔卡不得不离开家园，踏上了旅途。
一路的艰难险阻让塔卡迅速的成长了，途中，他还邂逅了一只美丽的雌水獭白蒂，可惜这段感情没能走到最后。找不到食物的塔卡不得不冒险进入了人类的家园觅食，在经历了重重的困难之后，塔卡和白蒂重逢了，他们终于走到了一起。

George and Betty, a middle-class English couple, have just moved into a big Edwardian house in London and are throwing a party to celebrate. Unfortunately, after ten days none of their furniture has arrived, having been sent to Carlisle by mistake, three of the four toilets don't work and cracks are starting to appear in the ceiling. However, nothing can dent their determination to have a good time.