Chuck Norris and his comrades are helping a scientist test some equipment that would permit people to convert water into oxygen in order to let people breathe underwater. However, when The Claw sends some of his men to kidnap the scientist in order to break into Sealab, Chuck Norris must divide his team in order to rescue the scientist and defend Sealab, as if The Claw gains control of Sealab, he will gain control of all the world’s oceans and he could wreck unspeakable havoc onto the world.