Hwa-ja has been raising three daughters alone in Busan after her husband passed away. One day, the second daughter Hye-young comes back to Busan after having continuous setbacks in Seoul. While spending time with her mom, she accidently sees a letter written in Japanese, which triggers her curiosity. She starts to ask Hwa-ja about her past life and gets to know new stories of her mother that she had never heard of.
한선화
as Hye-young
차미경
as Hwa-ja
한채아
as Hye-jin
Song Ji-hyun
as Hye-joo
Go Jae-hyun
as Gi-seop
최인환
as Police
