Aboard the English ship the Castle One, Peter and Sarah embark in a serendipitous trip to Egypt. When kidnapped by desert thieves, the White Talking Camel that roams the desert comes to the rescue of the siblings helping them to escape. Their desert adventure takes them to the great pyramids of Giza and to their escape from the king of Egypt wanting the talking camel for his kingdom. The children and the White Talking Camel, a king from another world, must find the door for the camel return to his own home, while the children must find their parents too for a happy ending, but the beggar wants the camel to granting him wishes too while the king the mathematician want to undo the ancient riddle to the hidden door...!