Zheng Zhen (played by Im Chang-jung), a psychic who can recreate criminals, is a criminal psychologist with strong analytical ability. His partner Yu Min (played by Choi Daniel) became a policeman just to attract female fans more easily. Both of them have no interest in promotion, and therefore live the most mediocre police life in the police station. Just then, the police station sent them to an irregular search team. The two had to take action to eradicate the unhealthy trend of the new religious group in the Republic of Korea. Because they were not calm enough and liked to solve problems with fists first, they made a lot of jokes. In the end, the two joined forces to find the leader of the criminal organization who ignored the authority of the law and played South Korea with applause.