"A man named M invites seven people to a murder game party hosted by his boss, known as K. As soon as the game begins, M is shot by an unknown perpetrator, which turns the game into a real ..."

"After being recruited by K, the amateur detectives travel to Jeju Island in order to help a museum director retrieve an artifact that belonged to his deceased friend. With the help of a ..."

"While on a vacation in Jeju Island, Kwang-Soo wakes up with a hangover and finds a dead woman in his room. Fearing that the police will brand him as a suspect, he flees the scene and ..."

"Jong-min encounters a child who gives him the diary of a teen girl. He finds out that the girl had recently died at Songdo Central Park under mysterious circumstances and receives a call ..."

"An ex-criminal, whom Jae-Wook had arrested during his days as an agent, tells him that a woman was murdered in his hometown, a small island near Incheon. When the detectives go to the ..."

"Two rival curators of an art museum enlist the help of K's detectives and the Genius Detective Team in an attempt to outshine each other. The competition between the two teams becomes ..."

"The detectives attend a magic show rehearsal to support Sehun, who would be opening the show with a dance performance. During the rehearsal, the magician mysteriously disappears while ..."

"A man claiming to be K's old friend challenges the detectives to solve a 20-year-old case through a series of tests in order to measure their skills in criminal investigation. Each test has..."

"Yeon-Seok turns himself in and requests that K's detectives should be the one to transport him to prison. Although this confuses the detectives, they accept his request in exchange for ..."

"The detectives receive a scheduled message from K that was written three months ago, during the planning of the murder game party. He tells them that a final test for them is waiting at a ..."