Ku Fung and Duen Hoi, are apprentices under the Celestine Sect, must fight off their former sect brother Ku Yim Yeung. Ku Yim Yeung is also Ku Fung's twin brother, who has turned evil and women like due to learning the Maiden scripture and then formed his own Maiden Force cult. In order to stop his former disciple Yim Yeung, Fung and Duen's teacher took it upon himself to learn the Blissful scripture, but because this skill requires so much strength and power from the person using it they will die after only using the fighting move once. Not wanting his teacher to sacrifice his life because of his twin brother, Fung plots with Duen to steal the Blissful scripture and learn the skill himself so that he can defeat his own twin brother and his teacher will not die.
Fung and Hoi failed to get the scripture and Duen accidentally kills one of their own sect brothers in the process of trying to steal it from their teacher. Fung is framed for the death of the sect brother, while trying to escape his sect brothers who are after him now for a murder they think he committed. Fung falls down a cliff and is presumed dead. Duen, feeling guilty for what has happened, raises Fung's son Yuk Lau as his own, but in the process neglects the upbringing of his own son Duen Fei. Yuk Lau grows up to be a filial son and good at martial arts where as Duen Fei grows up to be mischievous and hates martial arts. Yuk Lau meets Suet An who is a disciple of Ku Yim Yeung and falls in love with her. Yuk Lau becomes power hungry and uses Suet to try to get the Maiden scripture. Yuk Lau eventually gets the Maiden scripture through a sorceress who had stolen it from Ku Yim Yeung. Yuk Lau learns the fighting skills from the Maiden scripture and becomes like Ku Yim Yeung. He takes over the Maiden Force cult from Ku Yim Yeung, in order to stop his adopted brother Duen Fei must learn the Blissful scripture.
The main protagonist of the story. Duen Hoi's son and Yuk Lau's adopted younger brother. His mother died when he was young. Due to his father's guilt of the death of his sect brother he was neglected while growing up. He hates martial arts and loves mischief. He meets Ku Fung when he ran away from home. Had a crush on Suet An but learns to love and marries Lee Ju later on.
Ku Yim Yeung - Former disciple of the Celestine Sect. Ku Fung's older twin brother. Due to being power hungry he learns the Maiden scripture and becomes lady like and evil. Forms his own cult. Lee Ju's biological father. Lee Gil's former husband.
Ku Fung - Celestine Sect disciple. . Yuk Lau biological father. He feels guilty and his sect brothers don't trust him because his twin Ku Yim Yeung who was part of the Celestine Sect had turned evil after learning the Maiden scripture. He gets framed for the death of a sect brother Hoi accidentally killed.
Duen Fei's adopted older brother. Ku Fung's biological son. Due to Duen Hoi's guilt on causing the assumed death of Ku Fung he adopts Yuk Lau and raises him as his own. He is a filial son and good at martial arts but due to being power hungry he is willing to turn against anyone. He loves Suet An but due to his hunger for power he uses her to try to get the Maiden scripture.
Ku Yim Yeung and Lee Gil's daughter. She manages a wine shop with her mother. She doesn't know that Ku Yim Yeung is her biological father because her mother had left her father and took her with her when he was learning the Maiden scripture. At first she hated Duen Fei because of his prank on her as it caused her almost-to-be spouse to cancel her earlier arranged marriage. She later falls in love with Duen Fei and marries him.
She's an orphan that Ku Yim Yeung took in and raised as a disciple. She was a filial disciple until she met and fell in love with Duen Yuk Lau. Ku Yim Yeung knowing of her relationship with Yuk Lau banishes her from the Maiden Force cult.
