Greg's worst summer ever beginning with Greg Heffley and Rowley Jefferson going to his father’s country club after school closes for the summer, but Greg is kicked out due to his complaining of the smallest of predicaments. The beach trip that he was looking forward to is canceled due to lack of money, so the Heffleys resort to going to the town pool, which Greg hates because of its hairy and rotund visitors.
Later, Greg and Rowley have a sleepover together, and watch a horror movie obtained from Greg's older brother, Rodrick. After the movie, Greg and Rowley become scared of a muddy hand that might strangle them, which was in the movie. Unfortunately for Greg, his mother finds out about the movie after Greg's father told her when he