Ayumi Shinozaki (Shihori Kanjiya) is 33-years-old and works as a librarian. Keisuke Mori (Kanata Hongo) is 23-years-old. He wanted to become a cameraman, but had to give up on that goal. Taro Tendo (Gori) is 40-years-old and divorced. He holds regrets about his son. One day, Ayumi Shinozaki receives a phone call. A man’s voice states "one hour later, an earthquake will occur." One hour later, an earthquake actually takes place. The caller introduces himself to Ayumi Shinozaki as Kazama. He tells her she can go back in time to 10 months ago and change what she wishes. 8 people including Ayumi Shinozaki, Keisuke Mori and Taro Tendo participate, but they face something they did not expect. Under the difficult situation, Ayumi Shinozaki and Keisuke Mori develop feelings for each other.

After Sugihara Oto’s mother passed away when she was young, she was raised by adoptive parents in the Hokkaido countryside. Although she gave up having dreams, she lives cheerfully and bravely. But she is troubled by her adoptive parents attempts to force her into a marriage with a wealthy man 20 years her senior to save the family from poverty. Soda Ren lost his parents early and was brought up in the great outdoors in Fukushima by his grandfather. However, his grandfather gets swindled and Ren leaves for Tokyo in order to earn money to recover the farmland. He dreams that he will be able to live with his grandfather some day, but reality is harsh. By coincidence, Oto heads to Tokyo too. This is the story of love and growth of six young people from the rural areas who gather in Tokyo.

Cha Woo Hyuk (Park Si Hoo) is a fiery and hot-tempered prosecutor. He started out as a newspaper reporter. He has a comfortable childhood but then one day his family is shattered when his father dies in an accident whose cause is unclear, and his mother takes her own life. He will do anything to take revenge.
Cha Woo Hyuk meets married actress Han Jung Won (Jang Hee Jin). Han Jung Won's husband is the son of a chaebol family. Han Jung-Won is the suspect in the murder of her husband. Cha Woo Hyuk then faces her as a prosecutor, but he falls in love with her.

The new season opens with a string of deadly incidents involving guns sent to various people by someone known as "Summer Claus." The weapons seem to be part of a batch of 27 stolen guns, and so far 14 of them have been given out. Now it's up to Usagi and the rest of the SIT to recover the remaining 13 before there are any more casualties.

Since Shigeki’s wife passed away, he has raised his daughter Ema alone. Ema is now a high school student. Like most father and daughter relationships, they sometimes have arguments, but they still rely on each other. One night, Ema does not return from her part-time job. She is found dead. Shigeki falls into deep despair. A couple of days later, Shigeki receives a phone call. The caller gives him the name and address of the man who killed his daughter. After hesitating, Shigeki goes to the apartment that the caller told him about. There, Shigeki discovers a video showing his daughter's brutal murder. He then faces Atsuya, who just came home to his apartment. Shigeki kills Atsuya. The media goes into a frenzy covering the story. Public opinion is divided between Shigeki's actions. Shigeki chases after the main culprit Kaiji. ~~ Adapted from the novel "Samayou Yaiba" by Higashino Keigo.

The story revolves around the daily life of Sana Morikawa, a 30-year-old single woman who works in the finance department of a soap maker.

A family drama about a college student couple who unintentionally becomes parents and realize the true meaning of love and life. Jang Mi (Han Sun Hwa) is an immature mama’s girl who grew without experiencing any hardship in life. Unlike her parents’ will to marry her off to a promising man they choose for her, Jang Mi has the hope to marry someone she falls madly in love with. As she dates healthy and innocent engineering student Cha Dol (Lee Jang Woo), she slowly begins to realize the meaning of love.

College girl Kaguya Hinaki has a secret that she cannot tell anyone. That is... She falls in "crazy love" with Subaru from a 3-member video distribution group "Cosmic". One day, Hinaki, who really wants to date Subaru, receives a direct message from an account that she doesn't know. The owner of that account is Subaru! This direct message totally changes Hinaki's life.

Hanaori Kotono, a clerk working in a concept café, is a super fan of Cosmo from "Cosmic". She despises Hinaki and other people with "crazy love" and vows to be a "genuine fan" who doesn't bother Cosmo. However, she can't control her desire to get close to him. One day, she sees a post on social media sent by a fan who always badgers Cosmo.

The pure "love" of the two who fall in love with their "idols" eventually goes out of control and turns into madness...

~~ Adapted from the manga series "Gachi Koi Nenchakujuu: Net Haishinsha no Kanojo ni Naritakute" (ガチ恋粘着獣 ～ネット配信者の彼女になりたくて～) by Seira (星来).