In the toxic haze of Chang'an the Crown Prince, one of the candidates for the role of the future emperor, is trying to seize power. Meanwhile the beautiful merman Yixia becomes the male favorite of Che Yuanshan, the Minister of Criminal Justice . Fleeing from Chang'an with hatred, he finally returns to Che Yuanshan with a sharp knife of revenge.

A girl named Jung-min writes to a young man named Hyun-jun, who is serving in the army. She lies about her age and claims to be a teacher. As Jung-min turns twenty, a 30-year-old man, who has eyes filled with sadness moves into her village. Every night, he sends letters through a pigeon to a deceased woman he loved dearly. He sends them high up in the sky, knowing that he will never get a reply. Then one day, like magic, he receives a letter. The letters sent through pigeons reveal someone's loneliness and sadness. And the two people meet each other by sheer chance...

Osugi Ryota (Kagawa Teruyuki), a former detective of the Tokyo Metropolitan Police Department’s First Investigative Division, resigned from the police because of some incident and now runs a private investigation agency. One day, a beautiful weather girl Koike Risa (Hayami Akari) visits Osugi with a request. She wants him to search for her younger twin sister Rina (Hayami Akari) who was supposed to have died 18 years ago. In the footage of a video that was anonymously put into Risa’s mailbox, Rina is seen to suddenly transform like a beast and attack a counselor in the room of a facility. Risa is convinced that her younger sister is still alive somewhere. And that she is also the criminal who killed her parents one year earlier … … After Risa’s parents were murdered by someone at the research lab of an abandoned university hospital, their hearts were gouged out. Osugi gets his partner, senior patrol officer Narumiya Keisuke (Ito Atsushi), involved. Narumiya starts examining whether anyone is living in Risa’s family home now as well as the scene where her parents were killed. The “ghost of the heart professor” is rumoured to appear at research lab. Narumiya finds something inside the dark, dilapidated place. Meanwhile, Osugi who is going through a divorce settlement with his wife Keiko (Horiuchi Keiko) over the custody of their daughter Megumi (Sugisaki Hana), is asked why he quit being a police officer without consulting his family. But he stubbornly keeps silent. What flashes in his mind are the memories of the case that led to his resignation. The gruesome serial murders by a criminal who is a copycat of Shingai Hiromi, that he pursued together with junior detective Mishima Akifumi (Kiritani Kenta) … …

From the late 50s and into the 70s, more than 90,000 of the Koreans resident in Japan emigrated to North Korea, a country that promised them affluence, justice and an end to discrimination. KAZOKU NO KUNI tells the story of...

The man who wanted to die meets someone he wants to kill! Min-ho always tries to commit suicide. He is in the hospital long term from a brain disorder and suicide attempts when Sang-eob joins his room. It's the man Min-ho would risk his life to find and kill. He has amnesia and is fully paralyzed but Min-ho can't let him off easy. Although Min-ho isn't in the best health, he has to live if he wants to kill Sang-eob. The man who survived death meets an irritating man! One day, Sang-eob opens his eyes to find himself a hospital room. He doesn't know who he is and he can't move a muscle. Min-ho is in the next bed with powerful eyes. They're both patients, but he's irritating. Every time Sang-eob wakes up, his head hurts, his body aches. As his memory returns, he remembers hostile things about Min-ho. August 2010, an extraordinary combat between the two men begins.

Ryota (Hiroshi Abe) is an unpopular writer although he won a literary award 15 years ago. Now, Ryota works as a private detective. He is divorced from his ex-wife Kyoko (Yoko Maki) and he has an 11-years-old son Shingo (Taiyo Yoshizawa). His mother Yoshiko (Kirin Kiki) lives alone at her apartment. One day, Ryota, his ex-wife Kyoko, and son Shingo gather at Yoshiko's apartment. A typhoon passes and the family must stay there all night long.

Killa is a hired assassin who is also mute by choice. As a child he grew up in an orphanage and spoke with a lisp. Since that time Killer has never spoken. He spends his free time alone, watching bullfights on TV and eating seafood.

Killa has decided to get surgery to correct his speech impediment. To pay for the operation Killa is taking on hits, but he will only kill those that are rude and nasty. He then meets a bar girl who comes in and out of his life as she wishes. Killa also takes in a street kid and the three of them become an informal family.

Killa's life seems to be headed on the right track, but the last hit job turns his life upside down.

Based on the 2020 MBC drama special with the same title, a bittersweet yet healing story that takes place in a cafe only open from midnight to sunrise.