One day, the ordinary girl Chu Qianqian accidentally got a crystal heart necklace in an ancient library. Unexpectedly, it was a magical necklace. Under the guidance of the crystal love magic, she met a strange man by chance - He Qianteng. She thought it was just an accident and the two would never meet again, but the story of the two goes beyond that...
A crystal heart necklace, a limerick, and the entangled love of four people begins...