Four stories intersect in this violent film parody. Exterminators dress as hit men and try to protect the wife of their boss, Montello. Meanwhile, the strippers at Montello's strip club, dressed as nuns, attempt to rob him. Tag-team wrestlers steal Montello's briefcase, thinking its contents are valuable. Finally, Bumpkin, running to deliver a script, loses a lot of the pages.

Each year, three brothers Samuel, Jeffrey and Michael Douglas visits their Japanese grandfather, Mori Shintaro whom the boys affectionately refer to as Grandpa, for the summer. Mori is a highly skilled in the fields of Martial arts and Ninjutsu, and for years he has trained the boys in his techniques. After an organized crime ring proves to be too much for the FBI, it's time for the 3 brother NINJAS! To use their martial arts skills, they team up to battle the crime ring and outwit some very persistent kidnappers!

Two truckers hired to transport toxic waste across the country get caught up with a teen genius who stows away on their truck.