After Kick-Ass’ insane bravery inspires a new wave of self-made masked crusaders, he joins a patrol led by the Colonel Stars and Stripes. When these amateur superheroes are hunted down by Red Mist — reborn as The Mother Fucker — only the blade-wielding Hit-Girl can prevent their annihilation.
Unscrupulous boxing promoters, violent bookmakers, a Russian gangster, incompetent amateur robbers and supposedly Jewish jewelers fight to track down a priceless stolen diamond.