Jung-hwan, a professional wild animal trainer, spends his days bickering and playing with his teenage daughter, Soo-ah, who is passionate about dancing. Then one day, Soo-ah gets infected by a zombie virus that sweeps across the world. To protect her, Jung-hwan takes Soo-ah to Eunbong-ri, a seaside village where his mother, Bam-soon, lives. In a society determined to root out the infected, Jung-hwan notices that Soo-ah still seems to understand words, responds to her favorite songs and dances, and even flinches when scolded by Grandma Bam-soon's back scratching stick. Refusing to give up on his daughter, Jung-hwan calls on his years of animal training experience and begins the top-secret mission of training his zombie daughter…

宋允儿剧中饰演曾是医生为了专注孩子教育而成为全职主妇的金允真一角，由于丈夫的引荐相识了一位入学考试代理母，两人结下了深刻的友谊。 金素妍饰演神秘的考试保姆Risa金一角。她以从美国来研修的孩子们为对象，经营着一家民宿，是个给予他们温暖关怀的考试保姆。 金泰宇剧中饰演金允真（宋允儿饰）的老公，警察所长韩宰烈一角， 温柔，给人好感，对待犯人180度反转。 宋再临剧中饰演强力警察夏正完一角。 高大帅气憨厚。事事退后一步先观察，但是一旦开始做就会勇往直前义无反顾的去做。 该剧是讲述隐藏着孩子死亡秘密的家庭里，住进了一个神秘的考试保姆【子女就读名牌大学的父母，拿了钱受别人委托，帮忙辅导其他家庭孩子高考的人】而引发的女性悬疑惊悚剧