One is the most noble young king in the world, and the other is a dispensable little palace maid in the deep palace. Destiny deliberately brought them together. They did not fall in love at first sight, but they just stayed with each other year after year in the lonely deep palace, and their hearts got closer little by little. He taught her to write and read poetry; she told him how interesting and beautiful the world behind the palace walls was.
At that time, he knew that she was like a bird, always looking at the sky outside, and one day she would spread her wings and fly away.
Gradually, his years were filled with her smiles and tears, joy and joy, and there was only room for her in his eyes. He selfishly wanted to keep her forever, but he was afraid of seeing her smile slowly disappear in the palace.
She also lost her heart in the years of watching, forgetting that he had a harem of three thousand beauties, forgetting that he was the largest king in this land, and only remembered that he affectionately called her "Rong'er".
Things are unpredictable, and the gears of fate are always turning. Where will he and she go...