Seven kids, trained as ninjas, aim to return a stolen diamond. Entangled with a mob, one is kidnapped. The others race to find her while battling the criminals.Seven kids, trained as ninjas, aim to return a stolen diamond. Entangled with a mob, one is kidnapped. The others race to find her while battling the criminals.Seven kids, trained as ninjas, aim to return a stolen diamond. Entangled with a mob, one is kidnapped. The others race to find her while battling the criminals.