秦灭东周后,楚国借机攻打鲁国其他附庸国。作为鲁国附庸国的颛臾国,面临生死存亡的危机关头,颛臾王做出投诚不绝祀的姿态劝离百姓,并做出应对部署。楚军破城后,颛臾王和夫人不接受绝祀条件,守祭台双双殉国。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.。