Izumi who divorced her husband and raised her only son, Takeo. - She was a typical single-mother family, but Takeo didnt twist and grew up quickly. - One day, Takeo goes to study abroad for three weeks. - Leave her care for Izumi to her best friend Masahiko ... - And an incident occurs in the Takashima family where Takeo is absent. - Her supposedly separated husband appeared in front of Izumi and worked violently. - Masahiko happens to be there and helps her Izumi ...