Daehyun is a dangerous mafia leader in Korea, feared even by the government because he has the power to destroy the country with a snap of his fingers. He is known for being very cold and always calm, preferring to observe before resorting to violence. On the other side, there is a secret agent assigned by the government to spy on Daehyun. This agent disguises themself as one of his assistants, but what they don’t know is that Daehyun is already aware of their true identity. He chooses to act as if he doesn’t know anything because, unexpectedly, he enjoys having them by his side and appreciates their assertive nature.