The Alliance representatives use violent means to get their way; the Reavers are ferocious killers who eat human flesh.
Action violence, including explosions, shoot-outs, chases, and sylized, wireworky and time-zappy martial arts.
Some sexual references; some women wear midriff- and cleave-baring outfits.
Mild cursing (one s-word).
Drinking and smoking in a bar.