If this were a dream, it’d be such a hyperrealistic dream. Who would’ve thought destiny would play tricks on ‘Nakun’ by sending him back almost four hundred years ago to the Ayuttaya era while asleep? Amid confusion and panic, the people he meets there call him ‘Klao,’ the son of the convicted nobleman who’s been missing. Now, Nakun has to pretend to be Klao while finding a way back to the present time and solving mysteries of the real Klao. However, the more he searches for clues, the more puzzles he finds. Plus, there’s this ‘Muun Phop,’ Klao’s trusted non-blood brother, who keeps his eyes on him all the time. And he found himself starting to feel increasingly fluttering in his heart under Muun Phop's gaze.