Busan, Korea 1911: Sunja, the daughter of a boarding-house owner, falls pregnant by a married Yakuza. The family face ruin. But then Isak, a Christian minister, offers her a chance of salvation: a new life in Japan as his wife. But Sunja's salvation is just the beginning of her story. Through eight decades and four generations, this is an epic tale of family, identity, love, death and survival. An epic family saga.