Sofía, an insecure young nanny who starts her new job taking care of two problematic kids. When their parents leave her alone with the children, they become victims of a demonic entity obsessed with playing children's games.。本片讲述一边是住在公寓的管理员,一边用PC制作并演奏唯一“喜欢的东西”——音乐的青年·清澄,与住在楼上的刚失恋的女性·潮的邂逅开始的青春故事。每天都很期待听清澄歌曲漏音传到楼上的潮,宣布要传播他的音乐,并在SNS上发布演奏视频。以此为契机,澄清的世界发生了巨大变化。。