1930s Korea, in the period of Japanese occupation, a new girl, Sook-hee, is hired as a handmaiden to a Japanese heiress, Hideko, who lives a secluded life on a large countryside estate with her domineering Uncle Kouzuki.
Dudu is a shy boy who, in his senior year of high school, is still a virgin. This situation makes him the constant target of jokes from his inseparable friends.
Shouya Ishida starts bullying the new girl in class, Shouko Nishimiya, because she is deaf. But as the teasing continues, the rest of the class starts to turn on Shouya for his lack of compassion.
A man wakes up to find himself alone in a train carriage. During his train journey, unexpected events will lead him through to finally discover his lost memories.