Jiang Yunfan (Elvis Han), the son of a demon lord, becomes entangled in the fight between the human realm and Netherworld when the gate between both realms are threatened. Along the way, he meets Tang Yurou (Guli Nazha), a beautiful but sickly girl that has a mysterious condition and who teaches him about love and sacrifice. He also encounters Long You (Joe Cheng), the second prince of a demon tribe of questionable origins who is searching for his brother as well as Xiao Man (Yang Caiqi), the descendant of Nuwa seeking a stolen artifact. Yun Fan ends up developing friendships and relationships on his journey. However, his father, the demon king is going to be killed by gods and goddesses on earth to release his demon power. Yun Fan thus becomes embroiled in the conflict between good and evil. He has to choose in saving his father or aiding the immortals in killing him permanently.
Son of the Demon Lord and human Mother. After the passing of his mother, Yunfan is sent to reside at Gale Fortress also known as his second family, home to mountain bandits. A series of events occur, causing him to become a disciple of Sage Yi Pin at Mt Shu. Throughout the journey, he befriends Long You, Xiao Man and develops a special relationship with Yurou.
A disciple of Sage Cao Gu of Mt Shu, Yurou has talent in medicine and bears an unusual illness since her birth causing her to have a short lifespan. She ventures on a journey with her friends Yunfan, Long You and Xiao Man.
The 2nd prince and future king of the demon realm. He leaves his realm to find his long lost brother Long Ming, save the Demon Lord and to save the demon realm from serious drought. He becomes a disciple of Sage Yu Shu at Mt Shu. On the way he befriends Yunfan, Xiao Man and Yurou. He is fond of Xiao Man and Ling Yin.
Yang Caiqi as Xiao Man
A descendant of Goddess Nuwa, grand daughter of Sage Yi Pin and disciple of Lady Hai Tang. She is a lovely adorable girl who is not afraid of doing what it takes to save the world from harm. Along the journey, she meets Long You, Yunfan and Yurou and becomes their main source of help. She is especially close with Long You.
One of the seven sages at Mt Shu and sister of Ling Bo. She is a righteous woman and always has a reason for her actions. Due to the il-fated relationship between her sister and Long Ming, she resents all demons. However, she later likes Long You.
Geng Le as Jiang Shili
The Demon Lord of Clear Sky Sect and biological father of Yunfan. He was captured and sealed in a stone made of Nuwa’s blood for 20 years in Mt Shu and has a revengeful personality.
