A popular romance writer turns historical novelist and provides a thorough going account of the settlement of St. Simons Island in Georgia in the middle 18th century, as she tells of the test of power between England and Spain, and the romance of Mary Delanay and the bashful Scots soldier, Mackaill, exiled in disgrace from his homeland. Living in dread of attack by the dark sails, attempting to force the Spaniards out of St. Augustine, the colonists develop unity through their common danger, and are successful under the superb Englishman, Oglethorpe, against an overwhelming foe. Mary defies the concepts of gentlewomen by loving the new country, learning Indian language and ways, championing an illegitimate child and her mother, and, at the crucial time, becomes interpreter and scout for . Mackaill twice captured by the Spanish, and his scandal, hinted at to Mary, forces her to doubt him. But with the actuality of attack, and the necessity to repel the Spanish, Mary and Mackaill are reunited with all misunderstanding cleared. A distinct contrast to all previous titles, this however is dependable reading fare of romance and history adequately blended.