Marine scientist Fred Miller designs the world's first underwater home, but when the business magnate funding his work threatens to end the project, Miller volunteers to live in it with his own family to prove it's practical. The underwater clan includes his water-phobic wife and his daughter and son, who are part of a rock and roll band. They bring along the lead singer and drummer. Along the way, they have to contend with a competing engineer who promises to mine the ocean floor for the businessman. A record producer likes their music and books them on TV, leading the kids to try to escape to the surface.。警察助理兰斯·博伊尔是一个幼稚的侦探,他被毫无价值的警察案件累垮了。然而,在附近的一片树林里发生了几起与番茄杀手有关的谋杀案后,兰斯发现自己正和一位战斧学家肯尼迪·约翰逊一起工作......。埃文是一位优秀的摩托车教练,他屡次让自己的女儿卡莉获得冠军。但是女儿不喜欢赛车,她有自己的梦想。埃文一下子感觉空落落的,从此一蹶不振,和女儿也不再联系。一次偶然的机会,埃文去看望一位有麻烦的老友,他受到一个流氓团伙的逼迫,于是埃文就帮他脱离困难,同时也在另外一个骑手身上重新实现自己梦想,那可是一位与众不同的选手,到底是谁呢?。