Jang Ki Yong will play the role of a contract killer named Kim Soo Hyun. He is able to turn any object into a weapon against people and use it any way he wants. With the ability to quickly assess the situation, he develops the perfect plan to kill and exit. Nothing about him is known to the public including his age, name, and race, but the most powerful organization in each country searches for him whenever there is a target they would like to eliminate. He struggles to develop real relationships with people around him, but always searches for love.