龙自小便醉心技击，但因为不克不及付出膏火，只好从旁偷学。其间，巧遇一名武功高强的老叫花，并拜他为师，苦练武功。十年冷暑，龙已练得一身好武功，并常常路见不服，抱不平。此中一次，与一地痞树敌。后来，那地痞找其师父出头，怎料其师父恰是龙之杀父敌人。
After living peacefully in the caverns of a small town, a stranded group of aliens turn deadly as they fight for their existence, betraying the passionate chief of police who has protected them for 28 years.
