The one thing about martial arts movies that’s been mostly left unsaid is how based in comedy they are. The commitment to the art of slapstick and the visual gag is front and center here though —

The Axe Gang terrorizes Shanghai. Small-time criminals Sing and Bone (great names) hope to join, but they only manage to make lots of very dangerous enemies. Fortunately for them, kung fu masters and hidden strength can be found in unlikely places. Now they just have to take on the entire Axe Gang.