The guardian elf of the moon in the elf country - Yue Lengxiang and the guardian elf of the cherry blossom tree - Ying Yanlian have been childhood sweethearts since childhood. But people have to grow up eventually, and so do elves. On the road to maturity, they experienced ups and downs and obstacles. From the Elf Kingdom to the mortal world of the 21st century, what story will happen between the two elves in love? What will be the final result? Let us follow the elves to find the answer under the guidance of the moonlight and the cherry blossom petals...