Mo Kei's parents commit suicide in an ambush while Mo Kei is mortally injured. Chang San Fung saves him and shows special care towards him. Seeing this, his senior, Sung Ching Su, gets jealous and tries to harm him. One day, Siu Chiu runs into Mo Kei while trying to steal the Heavenly Sword. Both of them fall off a cliff by accident, but Mo Kei masters the Nine Yang Divine Skill in the valley.