Yi Eul is the last Crown Prince of the last Empire of Joseon Dynasty with its Emperor, the late Emperor, the late King Yi Jeon. Crown Prince Yi Eul is currently living in London finishing his degree in a Royal University intended for blue-blooded people like him. The whole of South Korea is anticipating his arrival including Kim Jae Kyung, a jobbing entertainment journalist working for a newspaper. The excitement on Jae Kyung’s part to interview the Crown Prince was crumbled down when she discovered that Prince Yi Eul is one big of an arrogant, egotistic jerk who insulted her being a journalist which made her about to turn down the project. By chance, Jae Kyung catches Crown Prince Yi Eul meeting a K-Pop girl group member Dahyun at a nightclub and photographs the two in what appears to be a romantic encounter. Since South Korea’s perspective on dating issues on celebrities is quite a trouble especially that the Crown Prince is appearing to be dating one, publication of the photographs would lead to massive chaos and reputational damage to both the Crown Prince and Dahyun. Yi Eul catches Jae Kyung in the act and ended up chasing her. But the sudden and unexpected encounter between him and his assassins who were thinking that Yi Eul will be one big threat in politics. The unexpected encounter leads Jae Kyung to save the Crown Prince and ended up becoming his assistant and getting stuck with him.