Tomás, an 11-year-old boy living in his own fantasy world, must use his vast monster knowledge to fight against his new English teacher: a wicked woman who is, in fact, a child-eating monster.

　　爱丽丝（Emilie Piponnier 饰）拥有着人人羡慕的生活，和丈夫感情稳定恩爱有加，孩子可爱乖巧常伴膝下。某日，她像往常一样刷卡购物消费之时，竟然被告知信用卡因为欠费而被锁定了。直到此时，爱丽丝才发现自己的美丽人生梦在很久之前就破灭了，丈夫不仅将他们的积蓄挥霍一空，而且还是花在了应召女郎的身上。这个男人选择了抛妻弃子，还顺…