On the day of his grandfather's funeral, his grandson Kin-Heon commits an irreversible relation...
It all started 4 years ago when Kihyun went to attend his grandfather's funeral but ended up spending a night with a fox,Moi from gumiho(9 tail fox) tribe who was raised by his dead grandfather & have known about him ever since they were kids..It was supposed to be an one night stand but after 4 years he has been informed that he has a son from Moi ..