When lifelong criminal Seungji finds herself betrayed by her old boss, she joins an upstart smuggling business to lay low. Her goal is to find the opening to take advantage of the business to score cash and flee the city, but a wrench by the name of Yeongwon is thrown into her plans. Inexperienced and naive, Yeongwon is working in her aunt’s stead as Seungji’s superior. Falling in love is a luxury for people in their line of work, but Seungji’s desire for financial gain might be changing into a desire for something that she can’t afford…