伯尼回来了，孩子们都很高兴。但他们的宿敌温斯顿也一样，他即将绑架这只天才海豚。凯文和霍莉必须在为时已晚之前救出他们那泼辣的朋友。
　　The kids are thrilled that Bernie has come back. But so has their old enemy Winston, who's about to kidnap the talented dolphin. Kevin and Holly must rescue their splashy friend before it's too late.