讲述主人公克里斯托弗与妹妹凯茜在小镇当中过着平静的生活，但被突如其来的事情打破的故事。克里斯托弗一直与自己的妹妹凯茜以及儿子乔里和巴特一家人过着非常平凡的生活，但是身材矮小的巴特时常被人欺负，导致性格变得很孤僻，突然与他的哥哥闯入隔壁的房子当中，认识隔壁房子新搬来黑衣蒙面女人，又通过种种不同的事情表明，这个蒙面女人与克里斯托弗整个家庭有着很大的联系，在巴特的追问之下，将所有的真相一点一点的揭开。而巴特从小知道家庭当中有着非常多的秘密，又从外祖母的日记当中导致巴特的心智迷失，巴特也从外祖母得知，自己的父母其实是兄妹关系，所以是巴特无法面对家庭整个复杂的关系，最终还是哥哥将所有的危机化解，捍卫整个家庭。

The protagonist Christopher and his sister Cathy live a peaceful life in a small town, but Stories shattered by unexpected events. Christopher has been with his sister Cathy and son JoeRe and the Bart family Living a very ordinary life, but the short Bart is often bullied by others, which leads to his personality becoming very withdrawn. He suddenly broke into the house next door with his brother, and met the new masked woman in black who moved to the next house. Various things showed that this masked woman had a great connection with Christopher's whole family. Under Bart's questioning, all the truths were revealed bit by bit. And Bart knew that there are many secrets in the family since he was a child, and he lost his mind from his grandmother's diary. Bart also learned from his grandmother that his parents are actually brothers and sisters, so Bart can't face the complex relationship of the family. In the end, it was the elder brother who resolved all the crises and defended the whole family.