Three brothers, Samuel, Jeffrey, and Michael Douglas, spend their summer with their grandfather, Mori Tanaka, a master of ninjutsu, who teaches them his techniques. When an organized crime ring proves too challenging for the FBI, the brothers use their martial arts skills to take down the crime ring and outsmart persistent kidnappers.
3 Ninjas
As summer arrives, three brothers join their grandfather, a renowned ninjutsu master, for a covert training session in the ancient art of stealth and combat.
