An aboriginal girl is brought up by a white family that adopts her. As a young woman, she is mysteriously drawn to go "Walkabout" as people of her tribe have for hundreds of years.
When the great potato famine hits Ireland, the diaspora begins as thousands emigrate. Among those leaving the Emerald Isle is Katie O'Neill and her husband, who decide that the promised land is South Africa and make their way there.
A young woman welcomes a stranger into her home who pretends to have an accident. After a fleeting romance, the two marry and she immediately inherits a fortune due to the death of her uncle.