A young orphan named Biwa is taken in by the powerful Taira Clan—also known as the Heike—after their leader witnesses her extraordinary psychic abilities. Unfortunately, what she predicts is a future of bloodshed, violence, and civil war. Inspired by the 12th-century epic tale Heike Monogatari.

Rikuo Nura, is 3 parts human and a quarter Demon, lives in a house of spirits with his grandfather, The current clan head of the Nura youkai. Rikou is set to be the next clan head, despit the fact he dilikes his demon side. He soon come to terms with his demon blood and decides to take his position as young master of the Nura house. However there are those who will certainly not allow it to be easy.

Demi-Gods and Semi-Devils is a Chinese television series adapted from Louis Cha's novel of the same title. It was first aired in China on CCTV on 22 December 2003.