It mainly tells the fantasy love story between Chi Ye, a hundred-year-old lonely knight, and Shen Qi, a cunning fox girl, on the paradise-like Silver Bell Island. When Shen Qi's silver bell rang for Chi Ye again, the gears of love began to turn, and together they experienced the fireworks of the world on a small island isolated from the world. Looking back at the memories of a hundred years ago, the two of them guard the tragic past. What choice will they make a hundred years from now?