Let Him Be a Bodyguard, but He Calls a Beautiful Woman "Wife"

A 'peerless' country bumpkin who came out of the mountains, a 'problem' soldier king who is famous at home and abroad! However, he received an urgent task from his superiors and went down to protect the beautiful boss of a local star company. What made the country man even more confused was that this beautiful boss was actually his fiancée who was married to his own finger...