During the Luoyang Flower Festival, three famous martial artists died mysteriously. Li Shaobai went to investigate the case.

When a rival nation sends troops to invade the Song Dynasty, the emperor sends general Yang Ye (Adam Cheng) to defend the nation. However, Yang's place in the court is shaky due to a feud with Pan Renmei caused by the accidental death of his son at the hands of one of Yang's sons. At the battle, Yang is abandoned by Pan's troops, leaving him trapped in the face of an attack by Yeli Yuan (Shao Bing), an enemy general who wants to kill Yang to avenge his father. After learning about their father's predicament, Yang Ye's seven sons set out to rescue their father at any cost.

Kei's eldest sister Sandra is a hot-tempered magazine editor and her temperament has left her single all this while. One of the family rules is that none of the siblings could get married before their eldest sister. Kei seeks help from the famous Casanova, Koo Chai, to pretend to court his eldest sister and lure her into the mood of love.