A creature born of flesh and toxic waste stalks the ocean depths, devouring every living thing in its path as it grows to a colossal size. Weeks after its inception, the monster rises from the deep and attacks a cruise ship, alerting humanity to its presence. The United States armed forces are called in to stop it, but with its human like intellect, mammoth size and organic, alien-like weaponry, the toxic behemoth will prove the most formidable enemy humanity has ever seen.