When Bob learns that Linda's mother is coming for a visit, he wants nothing to do with it. Linda has been cracking the whip at home, making sure every shelf has been dusted and every bed has been made. When she discovers a leak in the roof, she sends Bob to fix it, but he gets stuck in a wall, leaving Linda and the kids to entertain their guests and run the restaurant.

When Tina develops a crush on the new martial arts instructor in town, she joins the class and ends up shirking her responsibilities at the restaurant. Bob finds out what's going on and decides to take matters into his own hands.