43-year-old business woman, Harumi. She lives with her husband, after their only daughter, Michiyo, married two years ago. One day, Michiyo is killed by her husband, Koji. Koji is sentenced to death. Harumi initially agreed with it, but starts thinking to stop the death penalty of Koji. Although her husband and all her family are strongly opposed to her decision, she keeps trying to stop the death penalty with the help of Koji's lawyer. Harumi had a secret of Michiyo that she doesn't want to tell anyone.

The background to and depiction of a watershed battle in Japanese history, at Sekigahara in 1600, when Tokugawa Ieyasu's Army of the East defeated the Army of the West of Ishida Mitsunari. The story includes the intrigues and shifting loyalties of the various retainers, family members, and samurai.

Two historical incidents that deepened the friendship between Japan and Turkey are connected in this story of friendship and compassion: In the night of 16 September 1890 the Turkish frigate Ertuğrul is caught up in a typhoon and sinks off the Japanese coast. Risking their own lives, local villagers are able to rescue 69 Turkish sailors. Although being very poor and having hardly to eat, the villagers share what little they have with strangers from a country 9,000 kilometers away. 95 years later, during the Iran-Iraq War, more than 300 Japanese are stranded in Tehran. In the morning of 19 March 1985 a Turkish Airlines aircraft takes off for Tehran to evacuate the Japanese. But the remaining Turks at Tehran Mehrabad Airport still need to be convinced that they won't be able to board their own country's rescue flight.

Ando can't accept this his daughter Kana committed suicide. Kana fell from the ledge of a school building and died. Ando attempts to find out the truth behind his daughter's death. He becomes suspicious of his daughter's former classmate, Saki. Saki isn't a typical high school student and she aspires to work in show business. She dominates her high school with her charisma.