When social worker Rika is sent to check on a traumatized old lady whose family have moved in at the site of the notorious Saeki family murder case, she unwittingly unleashes a cycle of terror that is transmitted via its victims further and further from its original source.

When a massive, gilled monster emerges from the deep and tears through the city, the government scrambles to save its citizens. A rag-tag team of volunteers cuts through a web of red tape to uncover the monster's weakness and its mysterious ties to a foreign superpower. But time is not on their side - the greatest catastrophe to ever befall the world is about to evolve right before their very eyes.

In a Tokyo love hotel district, a woman is found dead in a derelict apartment. As police investigate, a romance novelist's wife lives a life that seems simply a daily repetition without romance. To break away from the loveless monotony, she follows her desires and becomes a nude model enacting sex in front of a camera. Soon, she meets a mentor and begins selling her body to strangers, while at home, she hides behind the façade that she's still the doting wife she's supposed to be.

Dolls takes puppeteering as its overriding motif, which relates thematically to the action provided by the live characters. Chief among those tales is the story of Matsumoto and Sawako, a young couple whose relationship is about to be broken apart by the former's parents, who have insisted their son take part in an arranged marriage to his boss' daughter.

A motorcycle accident in the city will be the precursor to a series of bizarre phenomena being revealed consecutively. Meanwhile, a girl named Yoko possesses a second sight which allows her to see strange things invisible to others.

74-year-old Yamazaki, having been handsome as a young gay man, grows narcissistic of his beauty and is unable to bear his own aging. One night, Yamazaki meets a young and beautiful man named Leo. Having loved only himself during his long tumultuous life, Yamazaki falls in love with another person. Through this love, he finally begins to forge the relationships he failed to carve during his youth with his friends and family.

Kenichi Asakura is an uptight, hyper-square salesman. One day, three bank robbers commandeer his van. They are in hot pursuit of their fellow robber who has snatched the money. Unfortunately for the bank robbers, Asakura never drives over 40 km/h speed limit even under the extreme situation.

Seeking an escape from his mundane life, high-schooler Keita Amishima stumbles into the secret life of an agent of UNDER ANCHOR - a covert organisation combating cyber terrorism. Keita isn't alone, as he is partnered with an A.I. - the Phone Braver "Seven". Together, Keita and Seven work to counter cyber crimes, all the while dealing with the machinations of a rogue Phone Braver, "Zero One".

The #9 investigation team has been disbanded and members of the #9 investigation team have been scattered around. One year later, the Chief of the National Police Agency, Sojiro Kandagawa, orders the creation of a special investigation team to cover from the initial investigation until it is sent to the prosecutor's office. Sojiro Kandagawa appoints Sakutaro Munakata as the leader of the special investigation team. Former #9 investigation team members join the special investigation team.

The members of this elite investigative team are unique individuals with their own personal troubles, but what unites them is their strong sense of justice. They each channel all their energy and skill to solve the most difficult cases.