[Kung Fu] Fearless Hyena 2 (1983) - DVD/Rmvb

Three brothers from the Ching clan wants to get rid of the evil men from the martial arts world n they kill the father of the deadly fighters Heaven n Earth thereby inviting the rage of Heaven n Earth. While Heaven n Earth kills one brother from Ching clan, two brothers from the Ching clan with their two kids, Lung and Tung, get away and hide in isolation from Heaven n Earth. Fast forward 20 years n the the two children are now grown up adults, while Lung knows kung fu, Tung turned out to be very lazy. Heaven and Earth are able to track down the two escaped brothers from the Ching clan and eventually kills them thereby angering Lung and Tung who later join hands to defeat Heaven and Earth.