Hasumi Kayoko, the rookie investigator at the all-female Hasumi Detective Agency, always observes people and cases in a level-headed manner. She detests lies and secrets, and has a strong sense of justice. Her late father worked at the city news desk of a newspaper, but committed suicide 7 years ago. However, the truth lies in darkness and Kayoko's mother, Kyoko, the agency's director, has been secretly pursuing the facts. An incident becomes the catalyst that entwines Kayoko and the people around her, and she closes in on the truth behind her father's death.

Shiho works as a neurosurgeon at Nishitokyo General Hospital. She decides to quit her profession after hallucinating during surgery. Her ex-teacher Masayuki Kitabatake is the director at Tokyo University Hospital and he persuades Shiho to work at his hospital in the diagnosis department which consists of all female doctors. Shiho, who is more stubborn in her will to save other patients, sometimes come in conflicts with the other doctors there, but she cooperates with them to reveal a mysterious malady.

The movie consists of 4 stories each telling how people survive on life-death choice. The story titles are: Cheering Girls, Boy? meets girl., Claim Night! and The House Full Of 'Abandoned' Businessmen.

At an all boys high school, Tadakuni, Yoshitake and Hidenori are close friends and think usually all day about girls. Their high school then co-hosts a school festival with an all girls high school.