Oaths are flowers that bloom in the wind and snow, branches of affection and buds of lovesickness.
"In early winter, when the sycamore flowers bloom, I will come back." That year the snowflakes were flying, and that year the heartbroken people were at the end of the world. The beautiful woman left, and Yilin passed down an unforgettable myth from then on. Who is whose prince? Who is whose knight? How will the myth of Yilin be interpreted...