Commanders Jeon Jungkook and Park Jimin are Elite Sailors in the Republic Of Korea Navy also known as ROKN. They are Submariners skilled and specially trained in the art of Electromagnetic Warfare. Both have stellar reputations for being the best of the best and they have worked hard to establish elite careers within the ROKN Military force. But they have a secret. A secret so scandalous, that both of them could end up in prison if anyone were to ever find out.

For six years they have managed to live perfect Military lives out of the spotlight, but that all changes when they are assigned to a dangerous mission in search of a stolen Russian Submarine. When both men are assigned to KSS - 091, tensions heat up between Russia, North Korea and the Allied Forces. The two struggle to survive, protect their Country and maintain their secrets under the most inconceivable circumstances. Will they both survive or will one have to die for the other to live?