Korea, 1943, under Japanese occupation: As a haenyeo, a female diver of the sea, Hana enjoys an independence that few other Koreans can still claim. Until the day she saves her younger sister from a Japanese soldier and is herself captured and transported to Manchuria. There she is forced to become a 'comfort woman' in a Japanese military brothel. South Korea, 2011: Emi has spent more than sixty years trying to forget the sacrifice her sister made....