Five hundred feet beneath the ocean's surface, the crew of the USS Colorado, the most powerful nuclear submarine ever built, receive mysterious orders to fire missiles at a foreign country. When they demand confirmation of the orders, the Colorado is fired upon and hit. The submarine and its crew now find themselves crippled on the ocean floor and declared rogue enemies of their own country.Five hundred feet beneath the ocean's surface, the crew of the USS Colorado, the most powerful nuclear submarine ever built, receive mysterious orders to fire missiles at a foreign country. When they demand confirmation of the orders, the Colorado is fired upon and hit. The submarine and its crew now find themselves crippled on the ocean floor and declared rogue enemies of their own country.