In 'Dog Days,' Greg Heffley's summer vacation isn't going as planned. He dreams of lazy days playing video games, but his mom has other ideas—like outdoor activities and 'family togetherness.' Greg navigates embarrassing moments at the town pool, a disastrous attempt at running a business, and the pressure to have an epic summer, all while dealing with his chaotic family and his best friend Rowley. It's a hilarious and relatable story about the gap between summer expectations and reality.