Among the voices in the trees, Jongdae hears a cry for help.

Unknown to people,the forest hides many magical creatures.The forest is divided into four lands for the summer spirits, the spring spirits, the autumn spirits and the winter spirits.The four spirit lands lived in harmony by keeping the weather and surroundings check according to the season and not interfere with another spirit land's season. Spring spirit,Mark Lee loves spending time tending the flowers in his garden and hates it when a certain troublemaker winter spirit keeps sending

It’s Autumn, and Jongdae, the spirit of Dosan Park, is in the process of painting the leaves in hues of orange, yellow, and red. A young man who comes to visit the park every day seems particularly pleased with his work.

After Luhan's grandmother passes away, he inherits and moves to her cottage in the countryside. It is there that he befriends the mischievous wind spirit of the valley and falls in love with him.