Yang Jungwon once worked in a secret agency called Vesselsoft, believing he'd be saving lives and making differences. However, certain events led him to ultimately walk away, never to look back. Two years later, he is brought back into the game to help with a mission. Working with him is Park Jay, one of Vesselsoft's most skilled agents - and also the most intimidating. The two work together, and trust is a key point, but Jungwon isn't quite willing to lower his defenses. Jungwon will need to put his trust in Jay, however, unless they want their country - or the world - to fall without anyone catching it. Unless he wants to fall without anyone catching him.