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Private detective Yoon San gets turned into a vampire one day while he was out on a duty. As he meets various clients and cracks cases for them, he also uncovers the mystery surrounding him as well as the secrets from his past.
AvailableChecked 09/29/2026 · last check was a while ago · United States catalog · account required.
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Page 1 of 1 · Episodes 1–12
“Sensational thrills for the client begin, in accordance with the client’s request and for the client!” The strange request from client Hangeoul (Lee Se Young), who visits the detective agency: “Please protect my boyfriend from a strange woman.” Yongguyong (Oh Jung Se) and Yun San (Lee Jun) keep …
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“Help me keep broadcasting without being disturbed!” The famous female host “서승희” (Sewonsun, played by Choi Songhyeon) is the target of a stalker. When she arrives at the studio for the morning news, she finds a woman’s body in the dressing room. She calls for the security guard, but the body …
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“Find the secret hidden in the will, marked with four dragons of Musan!” Choe Seonyeong, the daughter of an organized-crime boss and Yun San’s former police-academy classmate, asks them to look for clues in her father’s will. The safes are equipped with an incendiary device that burns everything …
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“Please save our brother, the suspect in the models’ murder case.” The sister of photographer Moon Kyung-ho, who was arrested for murdering two famous top models, hires a detective agency to prove her brother’s innocence. Though the murder weapon was found at his home, the client claims there is …
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“Protect our Seola from the murderer!” Ten years ago, a murderer who killed two innocent civilians to get actress Yun Seola’s attention was released from prison. Yun Yeongrin, the actress’s older sister and the head of the agency, visits a detective agency. At the actress’s request to handle the …
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The detectives are hired to uncover the truth behind the murder of a high school student who was killed 20 years ago during a game called “King’s Game.” The client and the victim were classmates of Yongguk Hyung (Oh Jeong-se), and it turns out he was also at the scene. Yun San (Lee Jun) discovers …
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Vampire detective Yun San (Lee Joon) is invited to a club by Yona (I Seo-ha), a vampire. Yona asks Yun San to find someone and threatens to kill Yong Kyu-hyeong (Oh Jung-se) and Han Geoul (Lee Se-young) if he doesn’t complete the task. Yun San agrees to work with Yona to solve the case, but …
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“Dr. Hwang’s sister is being possessed by demons?!” Dr. Hwang’s sister comes to him and complains that she can hear the voice of her deceased father. Dr. Hwang’s mother then follows her, along with a mysterious man named Sefalsa. Sefalsa claims that Dr. Hwang’s sister is being possessed by demons …
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A well-known streamer dies during a mukbang livestream! The deceased streamer’s father turns to a detective agency and asks them to find the culprit. The detectives learn that in his final stream, the victim offered 30 million won to anyone who could eat all the food prepared by a viewer. They …
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Five years ago, while investigating a 30-billion-won pyramid scheme run by a multibillion-dollar company, Yong Guk Hyeong (Oh Jeong-se) suspected there was an informant inside the police force when all the officers who had infiltrated the organization disappeared. So he secretly sent Yun San (Lee …
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Five years ago, believing he had lost her, Yun San lost his first love, Jeong Yujin (Kim Yoon-hye), and his colleague, Gang Tae-woo (Jo Bok-rae), in an accident during a special mission. Now Yun San learns that they’re still alive. The vampire Yona (Lee Cheong-a) appears before him and offers to …
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“Thought to be dead, his old flame Jeong Yu-jin (Kim Yoon-hye) reappears before Yun San (Lee Joon) as a vampire! Dong-kyu (Oh Jung-se), searching for Yun San, who wants to meet Yu-jin, encounters Taewoo (Jo Bok-rae) as a vampire and kidnaps him to capture Yu-jin and Yun San. The final showdown …
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