Fantastic Voyage I

Four men and one woman reduced to a microscopic fraction of their original size, boarding a miniaturized atomic sub and being injected into a dying man's carotid artery. Passing through the heart, entering the inner ear where even the slightest sound would destroy them, battling relentlessy into the cranium. Their objective...to reach a blood clot and destroy it with the piercing rays os a laser. At stake...the fate of the entire world. Four men and a woman are reduced to a microscopic fraction of their original size, sent in a miniaturized atomic sub through a dying man's carotid artery to destroy a blood clot in his brain. If they fail, the entire world will be doomed. Through the process of miniaturization, 5 people enter a tiny submarine and are injected into a man's circulatory system where they try to destroy a blood clot located in his brain