Mi Ja and Young Sook, two young Korean girls from Jeju Island, have been friends since childhood, although they come from different backgrounds. Having grown up, they begin to work in the divers' cooperative of their native village, which is led by Young Sook's mother. Together they comprehend the ancient art of haenyeo, hunters of sea life, full of adventures and dangers. But not only the dark depths of the ocean are fraught with danger: due to its strategically advantageous location, Jeju Island becomes a bone of contention for powerful powers, and the personal experiences of the heroines are intertwined with great history of the 20th century. A new touching, fascinating and powerful novel by the famous writer Lisa See.