The West overthrows the Hawaiian Kingdom as an outbreak of leprosy engulfs the islands. The new government orders all Native Hawaiians suspected of having the disease banished permanently. When a local cowboy named Ko'olau and his young son contract the disease, they refuse to allow their family to be separated, sparking an armed clash with brutal white island authorities that will make Ko'olau and his wife Pi'ilani heroes for the ages. Based on the real life of Pi'ilani.