Phantom The Submarine

Naval officer, Chan-Suk-Lee, shoots his superior officer on board the Janbogo submarine during a drill exercise. He is executed by a firing squad, but wakes up to find himself still alive in another gigantic submarine, the Phantom, which is a Sierra-class nuclear submarine sent from Russia to substitute a loan. The Korean government uses it as a countermeasure to Japan's development of nuclear subs, being a top secret weapon, all the crew on board have no record of existence. Commander 202 seizes control of the ship and precedes a surprise attack the Japanese.