Chieko Sato lives in the seaside town of Ishinomaki where she was born and raised. She has lived a happy life with her fisherman husband and 2 children. Her life changed after the 2011 Tohoku earthquake. Her husband has not come back since that day and the lives of her two children have been damaged.
Do Hyun once lived in Ishinomaki, but he went back to South Korea. He returns to the seaside town and tells Chieko Sato something about her husband that she did not know.
