Ko Tanomura, who is hesitant to confess his love to young Eriko, who lives in his house and takes care of her sick mother. After Ko leaves for America, Eriko attracts the attention of his father.
Sachiko's beloved sister Nobuko was supposed to go to Tohoku when she died in a car accident in Hamamatsu. Sachiko begins to trace her sister's friends in order to unravel the mystery of her death.
