Moo Yeol is a taekwondo instructor who falls for Eun Jae at first sight when she comes and asks him to help her find gold treasures at the agency. Hee Kyung is a tarot card master and Yong Soo is a manhwa shop owner who passes his days with no dreams nor hopes but gets involved in the gold hunting simply for fun. Moo Yeol, Hee Kyung, and Yong Soo gather together at the empty Inquiry Agency office and they discover a dead corpse in the basement. The four of them later decide to start a treasure hunting project.
This is also a drama without a love story.
Park Tae-ho Jeong Woong-In is running an underground organization, which specializes in the smuggling of jewellery. In order to bust the crime ring, the police assigns an undercover agent to join the group who discovers evidence for the alleged illegal proceedings of the gang. Tae-ho who does not want to get caught, hides the jewellery, which is worth 3 billion won in display objects and plans to transport everything out of Korea. Therefore, the police launches a mission called 2424 (which means movement in Korean) under the supervision of Choi Doo-chil Jeon Kwang-Leol to solve the case. However, both the police and the mob lose track of the precious jewels during the course of transport; thus a dramatic search on both sides ensues ??