A young man finds his life irrevocably altered when he encounters a woman whose destiny is tied to an ancient, ritualistic island tradition. The protagonist, Edward Leithen, seeks to navigate the complexities of a modernizing world while becoming entangled with Kore Arabin, a woman who challenges traditional social expectations. As they confront the remnants of archaic customs, they must balance their personal desires against the weight of historical legacy. The narrative framework utilizes a third-person perspective to explore the tension between individual agency and the demands of cultural heritage.

Discussion often centers on the shift in Buchan's writing style as he introduces a more prominent female lead compared to his earlier adventure works. Readers frequently highlight the contrast between the romanticized atmosphere and the underlying tension regarding the preservation of ancient customs. Critics often note the book's thematic focus on the potential for societal rebirth through the innocence and confidence of the youth. The pacing is generally described as deliberate, allowing for a gradual buildup of the central mystery surrounding the island's traditions. Many readers appreciate the balance between the character-driven narrative and the evocative descriptions of the setting.