The story unfolds when a bomb that responds to sound is discovered at the center of the city. This terror attack occurs following an incident that happened one year ago in a submarine, and important figures such as a submarine commander, reporter, and member of the Defense Security Support Command come together to try and stop the bomb.
Kang Do Yeong is a Navy submarine commander. He’s a key figure linked to the submarine incident that was the cause of the terror attack. O Dae O is a passionate reporter. Cha Yeong Han is a member of the Defense Security Support Command.
(Source: Soompi)




