Yeong-joo, a former synchronized swimming athlete goes to Jeju Island to put together a synchronized swimming team for a performance. She slowly befriends the haenyeo, or female divers, and gradually begins to fit into their way of life.
as Yeong-joo
as Ok-ja
as Village foreman
as Ga-yeon
as Ddong-ging
as Choon-ja
as Grandpa
as Village foreman's father
as Man-soo