Based on

Movies like Fearless Fighters (1971)

When To Pa, a member of the prestigious Eagle Claw Clan, commands his followers to carry out a mutinous robbery against the Almighty Imperial Lightning Whip, the victim's children are shaken by his disloyalty. With the help of one of To Pa's former minions, who's grown disillusioned with his leader's unconscionable actions, they organize a battle to avenge their father.