Romania, 2005. One of the last vampire families on earth decides to disguise themselves and live among humans until "the glory of their empire" revives. They are sent to different places all over the world that are considered safe by their leader.

However, a group of vampires takes the wrong ship and happens to come to Korea. On board, they run into a timid and unlucky man Doo-il. One of the vampires bites him by mistake and he becomes one of them. They promise Doo-il that they will return him into a human on the day when their leader comes to find them. He doesn't have any other choice but to live with them. They are disguised as a family of five and start new lives in Seoul. Can they really go back to their country safely when their leader comes to find them?

While watching the vampires who disguise themselves as a human family, the viewers will witness both their human sides and the humans' inhuman sides. Can Seoul be a safe place for them?

During the Qing dynasty in Beijing, a powerful empress took over the throne.The story focus on four different families. The Chai family, Chai Hok Yan, who was betrayed by other officials and the whole family was sentenced to death. Chai Pak Chuen was the only survivor in the Chai family because a loyal assistant of his switched identities with him. Pak Cheun changed his name to Fan Chi Chai and traveled to a different city to start a new life. That's when he met the Kiu family. Kiu Bun Yip, is a successful business banker, however, he also has enemies, including the Cho family. Bun Yip invited Pak Chuen to his bank Ding Fung Shing to learn about banking. At the same time, he met Cheung Shung Man, the two of them became best friends.

Inspector Sugishita Ukyo, head of the Special Missions Division, returns from London and goes home in the sports car of Assistant Inspector Kanbe Takeru, who has come to meet him at Narita Airport even though Ukyo did not ask him to. However, on the way home, Ukyo notices police officers from the Metropolitan Police Department conducting a crackdown outside the agency’s jurisdiction in Chiba Prefecture and gets suspicious. The police officers that Ukyo had seen were riding motorcycles. He lies in wait in a street with a dead end, but the motorcycle police have vanished into thin air. Ukyo is mystified and begins a thorough investigation. The Head of the National Police Agency’s Secretariat, Onoda Koken, appears before Ukyo, who has a bad feeling about what is going on. He tells Ukyo that Honda Atsuto, a revolutionist and senior leader of the leftist radicals “Red Canary”, has secretly returned to Japan.

High school student Shinichi Kudo (Junpei Mizobata) and childhood friend Ran Mouri (Shiori Kutsuna) are private detectives.

Right after they leave a nail salon on the first floor of a mansion they hear a man screaming. When Shinichi and Ran arrive there, cameraman Yuhei Tsubouchi (Akira) and an assistant lie on the ground bleeding. The owner of the house and model Momoko Aida are dead.

The investigation begins. The cameraman's assistant testifies that he was by an iron-bar by a man who came from another room. Yuhei, who is Momoko's brother-in-law, asks the detectives to catch the criminal. A puzzling aspect about the case is that the criminal used an iron-bar, but the model was strangled to death. Can Shinichi uncover the truth?

Merperson Yang Luo Tian has always gone as a boy for most of his life. That is until he saved Lie Heng Yu from drowning. When a merperson first falls in love, the equivalent of puberty hits and their body begins to take on one gender. Yang Luo Tian finds his body and mind slowly turning female.

To avoid scrutiny over her sudden changes, she switches colleges, only to still pose as a man after being recognized by her childhood friend. She soon ends up roommates with Lie Heng Yu. As if it’s not hard enough hiding her gender from him, she also has to hide the fact that she cries pearls and her scales flare up when her skin touches the water.

Detective Investigation Files is a Hong Kong crime investigation drama series that features five different cases.

Oshi Hana is 78 years old. She realizes that she is different from the people of her own age. She tries to look younger than her age while surrounded by her husband, children, and grandchildren.

Fan Tung (Liu Kai Chi) is one of the four deities under the Stove God. He has offended the Queen Mother of the West of being ravenous and gets imprisoned for 500 years in the winter melon. By chance Tin Tai Kwai (Sunny Chan) and his wife Chung Pik Yuk (Louisa So) free him from constraint. Tung has crashed with Tai Kwai's older brother Tin Tai Fu accidentally and his spirit enters Tai Fu's body inexplicably while losing all his instincts. Tung starts living in Kwai's house and gets closer to the family. Yuk finds Tung suspicious and she tries to unmask him by all means. Having failed in his attempt to return to Heaven, Tung becomes reliant on the help of six little deities who assimilated his instincts released from the melon, and since then Tung is aware of the fickleness of human nature. One day, Fu's truant wife Ling Fung (Rain Lau) suddenly returns. She ruins everything and even causes the death of Tai Kwai. In order to get his life back, Tung illicitly breaks into the netherworld. --Astro on Demand