The war is over, and Violet Evergarden needs a job. Scarred and emotionless, she takes a job as a letter writer to understand herself and her past.

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.

Sawano has lost his job due to depression and isn't on good terms with his wife and 6-year-old son. After a failed suicide attempt, he discovers 7 letters which had not been delivered and sets out to give them to their intended recipients in a way of counting down to the end of his life.

10th century, the most powerful state in Europe rests on a terrible secret that may threaten the very foundations of Christianity. Captured between political intrigues and warrior battles the young prince Bayan is searching for an ancient alphabet that could save his doomed love or his kingdom. A medieval mystery drama about the birth of the Cyrillic alphabet.