"time is the master of all things." after the death of their grandfather, yang yubin has no choice but to move her and her younger brother from seoul to a small town just outside of busan. a cunning and resilient girl, she is quick to gain the trust of the popular crowd; however, in the back of her mind she is suppressing her intrigue of hwang hyunjin, a quiet boy grieving his late lover once exiled from the very group she associates with. and when strange acts of violence lead her to believe that she and her brother are in danger, it's only hyunjin she can truly trust to keep them safe.