The pressure’s really piling up on Greg Heffley. His mom thinks video games are turning his brain to mush, so she insists he put down the controller and explore his “creative side.”

As if that’s not scary enough, Halloween is just around the corner—and the frights are coming at Greg from every angle. Then, when he stumbles upon a bag of gummy worms, it sparks a wild idea.

Can Greg get his mom off his back by making a movie—and maybe even become rich and famous in the process? Or will doubling down on this plan only double Greg’s troubles?