The story of a Japanese sub's last mission during WWII.

At Sakurada Gate in 1860, the shogun’s chief minister and his retinue of bodyguards are ambushed and annihilated. Bearing the responsibility and shame for this failure is Shimura Kingo, master swordsman and chief of the guard. Forbidden to take his own life in atonement, he is instead tasked with hunting down the remaining assassins; however, fate intervenes and now only one is left. Devoted to his late lord and his duty, he relentlessly pursues the sole remaining assassin for the next thirteen years. But times are changing in Japan and the way of the sword has become outlawed. What does this mean for Kingo?

Popular theater company director Yuuji Kaieda (Yoshikuni Dochin) secretly marries and lives with his lover Aki (Rin Takanashi). Aki is the main actress of the theater company. Aki’s younger sister Haruna (Anna Ishibashi) then appears. In the past, Yuuji and Haruna had a secret intimate relationship. Yuuji tries to keep his distance from Haruna because of this. Soon, Yuuji and Aki's secret is disclosed.

Shizuto Sakatsuki (Kengo Kora) is a mourner. He goes to scenes of accidents and mourns for the victims. Yukiyo Nagi (Yuriko Ishida), who killed her husband and served prison time, goes to the scene of the murder and meets Shizuto. She follows him from that time. Other people that exists in their lives are Shizuto’s mother Junko who is terminally ill with cancer and waits for Shizuto’s return, his younger sister Mishio who is pregnant by her now ex-boyfriend and a magazine reporter who chases after Shizuto. The movie examines life and death, love and hate and sin and forgiveness through these characters.

The story takes place over a 24 hour period. In the southernmost part of Japan, 20 fishing boats of an unknown nationality suddenly fire upon and occupy parts of the Hateruma archipelago. Members of the Japan Coast Guard are detained. Under the extremely tense situation, the Japanese government sends Aircraft Carrier Ibuki and an escort fleet to the area. Ryota Akitsu is the captain of the Aircraft Carrier Ibuki and Toshiya Niinami is second-in-command. It is now 6:23 am. and Japan faces one day which they never have before.

An evil ninja Rider, Kamen Rider Fuma, appears from the virtual reality world in an effort to conquer Earth! It is up to the CR Riders to use the power of virtual reality gaming to save a young girl’s life and stop the evil plans of Machina Vision CEO Johnny Maxima before the Bugster Virus infects all of humanity!