A humble shepherd's routine is upended when he stumbles into a hidden cave and frees a captive fairy. Grateful for her rescue, the ethereal being grants him the means to save a distressed princess, catapulting the young man into the role of a landed lord. Yet the promotion carries a binding challenge: he must turn his domain into the nation's most prosperous within five years or return to his former life. As threats emerge around his new holdings, he begins to discover the unexpected benefits of his title.
