Seol-ah stirs up trouble for Ju-ryun by manipulating Woo-jin emotionally, leaving Ju-ryun stunned that Woo-jin fell for such an obvious ploy. Later, Seol-ah wakes up to find her house vandalized with frightening messages scrawled on the walls. Distressed, she decides to stay with Mi-sun for safety. Meanwhile, Hyun-woo is determined to do whatever it takes to track down the culprit.
