Season 1
Tackling different mysteries in each episode of this game show, seven sleuths get closer to solving the biggest one of all: What happened to Project D?
Episodes
1 Forewarned Murder May 4, 2018 
2 Treasure Island May 4, 2018 
3 Kwang-soo, a Murderer May 11, 2018 
4 Messages from the Dead May 11, 2018 
5 The Last Vampire May 18, 2018 
6 Battle of the Detectives May 18, 2018 
7 The Vanished Magician May 25, 2018 
8 The Mysterious Gentleman May 25, 2018 
9 Operation: Criminal Transport Jun 1, 2018 
10 The Disappearance of K Jun 1, 2018