It's summertime, and Greg Heffley is looking forward to playing video games and spending time with his friends. However, Greg's dad has other plans: He's decided that some father-son bonding time is in order. Desperate to prevent his dad from ruining summer vacation, Greg pretends he has a job at a ritzy country club. But Greg's plan backfires, leaving him in the middle of embarrassing mishaps and a camping trip gone wrong.

Susannah and Jesse Stanton divorced two years prior with three children. When Susannah starts dating a lawyer, the children decide to find someone for their father, sending a letter to a popular magazine called Alaskan Love. He receives a large number of responses, but the children later feel that his perfect match is Susannah, and they try to arrange a plan to bring them together.