McGee quickly discovers that Lakebottom isn't a typical camp.
McGee sets out for summer camp but ends up on the wrong bus, where he meets Squirt and Gretchen. The bus ends up at Camp Lakebottom, a forgotten, weird place with adventures in store for the three ...
A traveling salesman visits the camp one rainy day and sells McGee a magic pencil. When his drawings start to come to life and overrun the camp McGee must erase his monster mistake.