6 girls called Gaeul, Yujin, Rei, Wonyoung, Liz and Leeseo was deciding to hang out after school. Suddenly their parents reported that they haven't gone home. Calling, voicemails, texting, spamming, find my dials kept repeating. As soon as they reached the girls phones. It was on the floor. There was no clues of where they could be. They started researching and found out. To figure more out read the story.