An object from outer space crash-lands in the Bermuda Triangle. The event triggers an unusual field of magnetic pulses that drives sharks in the area into a frenzy. The source of the magnetic disturbance is a cylinder containing orange particles - a form of cold-fusion not found on earth. The sharks seem to be "protecting" it. Now, the M-12 agency, commonly known as "Men in Black," the secret government UFO agency, is involved, When all seems lost, an alien ship arrives - the masters of the beasts. But, are they here to help or to deliver mankind to the raging sharks?