A story about a mysterious young heroine who embarks on a search for the big hero who once saved her life. Together with her brother, she comes under the tutelage of Zu Mountain thus embarking on a journey to help their people.
Yu Ying Nan and her older brother Yu Ying Qi grew up together, yet the two have secrets of their own. Ying Nan doesn't know that her brother simply found her when she was a young girl who has already lost all of her memories. On the other hand, Ying Qi and his tribesmen have been suffering year after year due to the Chihun Stone and they can only retire to a small village.
On her eighteenth birthday, Ying Nan encounters Bai Gu Yi of the Cang Xu Sect and mistakenly assumes that he is the big hero that she has been dreaming about. In pursuit of love, she tries to apply to be a student of Cang Xu but ends up with her brother in Zu Mountains. The two sects combine forces to tackle the problems presented by the Chihun Stone and Yin Nan, Ying Qi and Bai Gu Yi are selected as the students for the new venture.