Watch FMovies. Kung fu master Ling Chu-Fei (John Liu) must perfect and employ his devastating "Seven Immovable Limbs" technique if he is to defeat a renegade monk who has begun using Shaolin skills for evil. The threat becomes frighteningly personal when the ex-monk focuses his fury upon Master Ling's young orphan disciple, Small Mud Fish. Feet fly, blood spills and bones shatter all the way up to a gripping climactic duel in this 1978 action explosion.