Build a movie plot around this: Who is the Lizard's supervisor? Chief Constable Ma

The movie opens with Yang Tieh caring for his elderly teacher. The teacher is very ill and the treatments Yang Tieh administers are ceasing to be effective. Teacher believes that his time is up, and he is dying. He tells Yang Tieh that there is no longer time to put off what he needs Yang Tieh to do. He has been instructing Yang in the "Poison Clan" Kung-Fu technique, but he is dying now. He tells Yang that he had other pupils besides Yang, and is deeply concerned about what they are doing. Poison Clan kung-fu can be used to harm and oppress people, for many evil puposes. Many clan members have done so, earning the clan its bad reputation. Teacher tells Yang that he must tell him more about the previous pupils.Yang and Teacher descend into a dungeon-like area under the main room. Various training tools and structures, all old and delapidated, sit here, each with a large emblem of a different poisonous beast on the wall nearby. Teacher says he had five previous pupils. Number 1 studied the Centipede style, known for its exceptional speed of movement (he is shown rapidly smashing small plates dropping from the ceiling, most before they hit the floor). Number 2 studied the Snake style, known also for speed, and for its agility (Snake is shown smashing ceramic pots and moving limbo-style under a rack, smashing rungs out from underneath it). Number 3 studied the Scorpion style, based on the hands moving like scorpion pincers, and powerful kicking techniques (Scorpion is shown practicing these kicks and smashing wooden targets on high poles). Number 4 studied the Lizard style, which is agile and nimble and enables a man to climb like a lizard (he is shown running up walls and snuffing out candles). Number 5 studied the Toad style, which is based on power and resilience, and is near-invincible against physical harm (Toad is shown lying on a bed of spikes, pushing wooden spikes with his bare chest, and using forearm smashes to bend sheets of solid metal).Teacher explains that the pupils always wore masks while...