After the thaw of the polar ice cap, most of the Earth is submerged. Some world have got survive, and even fewer still, notably the seaman, have got adapt to the ocean by develop gill. A lone wolf by nature, the seaman reluctantly befriend Helen of Troy and her immature comrade, Enola, as they get away from a hostile unreal island. Soon the sinister smoker are prosecute them in the belief that Enola keep the key to find the fabulous Dryland.