o fulfill the dying wish of his elder, the male protagonist went incognito to the female protagonist's city and became her personal bodyguard. Faced with threats from internal and external forces, as well as family conflicts, he repeatedly ensured her safety. As they spent time together, feelings gradually developed between them. In the end, the male protagonist thwarted the antagonist's schemes and, hand in hand with the female protagonist, ushered in a happy ending.
