When the cruise ship Duncan was having its maiden voyage on the sea, it encountered a shark tailing with it. The seaman discovered a sealed bottle in the abdomen of the shark. There were three letters of incomplete pleas for help written by Scotland Explorer captain Grant. When the British government refused to rescue, witty jazz Gerry, gentle lady Helen, calm major Mike Bernard Buss, captain Mengel who proficient in route, geographer Baga Neil, and captain Grant’s strong children Marie and Robert, decided to take the Duncan and started the adventure rescue brigade…… Would this group of kind and brave people be in danger? Would they give up halfway? Would captain Grant be saved finally?