Young Min and Mi Young are young couple who get married after graduating from college. Following the honeymoon period, they begin to bicker with each other. While waiting for her husband at a cafe one day, Mi Young bumps into her ex-boss. Young Min sees this and gets the wrong idea. As they struggle to make their marriage work, Young Min and Mi Young gradually understand what love really is.

A contract killing organization is managed like a normal company. Hyung-do who regards killing as nothing more than repetitious routine is working for this company. A man loyal to his company and accepted as the firm’s best killer, Hyung-do one day starts feeling doubts about his job and decides to quit his job for a woman he is in love with. Instantly, he is under the threat of being hunted down by his former colleagues.