Siblings' Love on the South Seas.The weather takes a turn for the worse, as the Argama lands near the coast of Africa. Soon, it is a raging storm. A lone sailing boat says that it will take the Argama to a safe place, for the price of $5000. For some reason, Judau escapes onto the boat during the money transfer, and becomes friends with the sailor, Teran. Unfortunately, he's unscrupulous about getting money to support him and his sister, and so leads the attack of an underwater squadron against the Argama...