"Teacher... my son... he's been acting strange lately..." Having come from a distant country years ago, life had its challenges due to cultural differences, but her son had grown up strong and healthy. Lately, however, his behavior had taken a strange turn. Especially his gaze toward her hips—there was something different, something unsettling about it. With few people to turn to, she decides to consult her son's schoolteacher. As her anxiety mounts, she begins to uncover the disturbing truth behind her son's unusual actions.