Duncan avoids summer school for the first time, and the family goes on vacation. On their getaway, Annie and Jack are haunted by another vacation couple, while Duncan agonizes over Mia's Instagram, and Kimberly gets a glow-up.

Duncan starts racing stock cars to get away from his mom, but it turns out they make a great racing team. Jing demands a room renovation, so she can secretly spend more time with Kimberly, while Jack struggles with the project.