格雷的压力越来越大了。他**擅长的就是玩电子游戏，但他的母亲想让他通过做一些事情来开阔自己的视野。格雷格在地下室发现了一台旧的摄像机，他认为他已经找到了能证明他拥有**才能的东西。在好朋友罗利的帮助下，格雷计划制作一部恐怖电影……然后在这个过程中变成有钱人而且出名。但是，电影制作是否会成为一个明智的计划呢?或者，这只是让格雷格的麻烦翻倍呢?

The pressure's really piling up on Greg Heffley. His mom thinks video games are turning his brain to mush, so she wants her son to put down the controller and explore his 'creative side'.

As if that's not scary enough, Halloween's just around the corner and the frights are coming at Greg from every angle.

When Greg discovers a bag of gummy worms, it sparks an idea. Can he get his mom off his back by making a movie . . . and will he become rich and famous in the process? Or will doubling down on this plan just double Greg's troubles?