As Haru emigrates from Japan with her family to the coffee plantations in Brazil, Natsu is left behind in the care of spiteful relatives. Losing all contact, each must make her own way in an unforgiving world. Hardships abound in the struggle to survive in war-torn Japan and in the face of anti-Japanese sentiment in Brazil, financial ruin, familial pressure, abandonment and lost love. However they also experience the precious joy of survival and success. Now, after 70 years, Haru comes back to Japan to find her estranged sister.
