Miyuki Asakawa (Yukino Kishii) tells her colleague Etsuko Yamagiwa (Kaho) that she has a ghost in her home. When Etsuko goes to Miyuki's home, there is only Miyuki's father there. Etsuko becomes worried about Miyuki's state of mind and takes her to the psychiatric hospital where her husband Tatsuo (Shota Sometani) works. There, Miyuki receives a diagnosis that she lacks the concept of "family."
Later, Etsuko tells her husband Tatsuo that she is not comfortable with Dr. Jiro Makabe (Masahiro Higashide). Tatsuo introduced her to Dr. Jiro Makabe earlier at the hospital. Etsuko has a feeling of unease about her husband working with Dr. Jiro Makabe. One day, Etsuko hears Dr. Jiro Makabe state "I came to Earth to invade."
18-year-old Saito Mifuyu is a simple girl who grew up in Nagano. After her mother’s death, her father brings his lover over which displaces Mifuyu in her own home. She arrives in Tokyo following an invitation from her late mother’s younger cousin Kashimada Naoko to come over to her house for a while. It is a house blessed with “wealth” that she herself cannot obtain even if she wishes for it. Thinking this outrageous, Mifuyu starts seeking to fit into the Kashimada family, and in the process completely changes into a “pitcher plant girl” who plays on the desires of her prey to attain her goals.
Nobuo (Tetsuji Tamayama) is a book editor with a sincere personality. He is married to Aya (Nozomi Sasaki). She used to work as a reader model, but, after their marriage, she now works as a nursing assistant at a nursing home. Nobuo is aware that his wife has a sex addiction and she will sleep with other men on a sunny day. Nobuo agonizes over his wife and Aya carries heavy guilt over her actions.
The “anything” consultation office of Suginami Chuo Police Precinct is a department to leave people who have got the boot for causing problems at various places. “Zero is zero no matter how you multiply it.” That is to say, good-for-nothings are useless no matter how many people there are. They get ridiculed as the “Zero Section” and have to handle miscellaneous affairs such as annoying, trivial notifications, complaints, claims and troublesome disputes. At the section, the naive Kobayakawa Fuyuhiko, a career police officer from the National Research Institute of Police Science who cannot read situations, teams up with capable veteran detective Terada Torami who was thrown out of the Criminal Affairs Division for causing trouble all the time. Although they do not agree with each other, they take on all sorts of cases and chores with their good-for-nothing colleagues.
Rio Yazaki (Fumino Kimura) is a 32-year-old screenwriter. She was once popular, but not anymore. In her past, she wrote hit drama series “Tokyo Doll House.” Since that time, she hasn't written any other hit titles. One day, Rio Yazaki gives a lecture. She gives out a questionnaire and from the answers, notices 4 women in her audience are dating the same man. Rio Yazaki decides to write a drama series based on these women's love story.
In 1964, Mineko Yatabe (Kasumi Arimura) was born and then raised at a mountain village in the northwest of Ibaraki Prefecture. She has 7 family members. Her older brother is smart and he is the first person from their village to an university. Her father goes to Tokyo to earn tuition fees for her older brother. Mineko thinks if she graduates from high school, she wants to help her grandfather and mother with farming. Mineko Yatabe's life changes after her father fails to come back.
Riku Tsuneta (Nijiro Murakami) works as rookie AD at a TV station. He is assigned to the “unconfirmed material center” where they arrange lots of program materials. These program materials were found at the TV station when it moved locations. He works with Director Saori Nikaido and Producer Satoru Sayama. Riku is disappointed that he is working there, but he spends his days arranging VTR. One day, he finds recorded material showing a supernatural phenomenon.
Shingo Aino (Ikusaburo Yamazaki) used to work as an associate professor of ethology. He now works as the director of a matchmaking agency. His assistant is Sister Elizabeth (Rin Takanashi). The high entrance fee at the matchmaking agency is two million yen, but the matchmaking agency has a 100% success rating for their clients getting married. They match customers based on the client's conditions. The secret behind their 100% marriage rate is Shingo Aino's counseling, relying on his knowledge in ethology.
Ryo Kawakubo (Shota Matsuda) is a detective on a special team. When he was a child, he lived through a difficult time. He lived in poverty and his mother's negligence led to his younger sibling's death. His mother went missing and he has been looking for her.
Song Shi-On (Tae Min) is a smart guy. He graduated from a top medical school in the United States. He happily spends time with his girlfriend, but an experiment on his brain causes him to lose his memory.
Ryo Kawakubo and Song Shi-On have nothing in common, but work together on a special team formed by a secret organization of police officers. They try to solve difficult cases.