When Chaerin gets an unexpected pocket dial from her boyfriend Seunghyun, she hears what sounds suspiciously like the voice of another woman with him.  Hurt and hardly daring to believe it herself, she calls back which only gives her more questions and none of the assurances she was hoping for. Never one to sit still and wallow in misery, Chaerin takes it upon herself to get to the bottom of things which brings her to a strange crossroads and beyond in this brief tale of love and betr