Faced with real-world opportunities and challenges, a couple endures the highs and lows of trying to make a long-distance relationship survive.
Kim Ji-young, an ordinary woman in her 30s, suddenly shows signs of being inhabited by other women from her life, past and present.
A blind witness and a runaway help the police find the suspect in a hit and run until the culprit realizes that they are close on his trail. The killer tracks her down and Soo-ah realizes that in order to save Gi-sub she would have to risk her life.