189 is a phone number to call when a child needs to be saved from an abusive situation. Children and adults can call that number, where they will be connected with the nearest child consultation center. Taiga Sakamoto works as a rookie child welfare officer. A girl that he worked with is being sent back to her mother. The girl was abused by her mother and stayed at a shelter. The next day, she loses her life. Taiga thinks about quitting his job. At this time, he receives a phone call from the hospital. A doctor calls him and tells him that a six-year-old girl's wounds looks as if they were caused by physical abuse. The abuser is assumed to be her father, but the girl's father denies any wrongdoing. Taiga and Attorney Shion Akiba try to prove that the girl was abused by her father.

The luxurious pink and yellow homes towering above the upscale residential neighborhood may have been a symbol of her late father's wealth. The story begins when an economically successful family suffers from the death of their mother and loses their home. In that house, not seen for a long time, the scenery that should have been present has disappeared... Memories are gradually revived in the lost space.

Atsuhisa lives with wife Natsumi and daughter Suzu. He and friend Takeda study languages to become businessmen. When Natsumi reveals an affair and wants divorce, their lives change.

Haruhiko Nakayama is vice principal at a Japanese school, where he takes care of everything and dreams of finally becoming principal. But after a teacher no longer turns up for lessons, Nakayama has to teach a primary school class again after more than 20 years. He encounters such great challenges that he soon begins to doubt his profession.

Three young women live together in an old house in a corner of Tokyo. They are not related by blood, but they have been bound together by a strong bond for 12 years. They care about each other and spend their own ordinary days together. The matter of unrequited love arises for them that they can't tell anyone.