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.
Hikari Tomonaga (Suzu Hirose) joins the cheerdance club at Fukui Chuo High School. She joins the club to impress Kosuke Yamashita (Mackenyu), whom she has known since junior high. The club itself was recently converted from a baton twirling club.
At the cheerdance club, Hikari Tomonaga meets Ayano Tamaki (Ayami Nakajo), Yui Kito (Hirona Yamazaki) and others. The girls enjoy dancing together as a unit, but they must endure their ultra-strict instructor Kaoruko Saotome (Yuki Amami) and her rules. Kaoruko Saotome announces that they will compete at the USA Cheerdance Championship.
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.
Shiina Hideaki has been searching for new owners for the cats that his late wife had reared, together with his childhood friend Fujimura Misaki, who is a vet. Hiromi who wants to be given a cat that will be a substitute for the pet that her grandmother had loved, comes to visit. After inspecting Hiromi’s house, Hideaki hands her a blanket together with a cat. Hiromi is relieved that her grandmother is happy to be reunited with the cat. However, this time, she brings up her desire to meet Hiromi’s fiance.
Kako Motoya (Tao Tsuchiya) is in the first year of high school. She has yet to have a boyfriend yet. One day, she pretends she's a university student and takes part in a group blind date. There, she meets 23-years-old Kota Sagano (Kazuya Kamenashi). Kako and Kota get along well and become attracted to each other. Later, Kota learns that Kako is a high school student and his attitude towards Kako changes. In fact, Kota is police officer. Even though he likes her, he knows he can't date her. Then, Kako is injured while protecting Kota. Kota decides to accept Kako for who she is. He asks Kako to marry him, because that's the only way he can be with her as a police officer.
Tsukasa Kobayashi (Ryo Nishikido) is an ideal husband to his wife Sayaka (Mayu Matsuoka). Tsukasa Kobayashi possesses a good appearance, impressive educational background and earns a high salary, but he holds a secret from Sayaka. His secret is that he is incompetent at his job. He constantly messes up at work and gets to the point that he doesn't think he can do his job anymore. Then, Tsukasa Kobayashi learns his wife is pregnant. He can't quit his job now.
Takao (Gen Hoshino) is a 32-year-old employee at a travel agency. He is bored with his life and not good at his job or finding love. He decides to go somewhere new for a change and he ends up taking a stimulant drug without knowing. Takao is arrested and receives probation. He is also fired from his job. Making things worse for Takao, a fire erupts at his home. Takeo then moves into the share house Plage. There, he gets involved with various disturbances created by its residents.
Keita Orimo (Atsushi Ito) works at an apparel company and is on the layoff list. He is divorced and has a 9-year-old daughter. Keita Orimo is also a bit old-school and carries a flip phone. One day, Keita Orimo's brain suddenly becomes like a smartphone. He can see text balloons flying by and he can even see messages for other people. His smartphone like brain leads him to get involved with trouble at his workplace.
Tomozo Sudo (Atsuro Watabe) is a detective. Due to an incident, he is excluded from investigative work. He is then assigned to work in a division responsible for taking care of animals whose owners are suspects or missing. Keiko Usuki (Kanna Hashimoto) is a police constable and works in the same division. She loves animals more than humans. Keiko develops inferences from clues from animals left behind at crime scenes. Tomozo and Keiko work together to solve cases.