Calvin reluctantly invites Dave to join his guys' night at home with Malcolm and Marty; Gemma and Tina take their first girls' trip to Vegas and find themselves unexpectedly in the spotlight.

Dave and Tina discover a common bond when they attend a concert together. Gemma seeks the Butlers' help when an unwelcome visitor takes up residence in the Johnson home.

The Butlers and Johnsons are rattled in different ways after an earthquake strikes; Dave goes to extremes trying to prepare his family for the next earthquake.

Calvin and Marty consider starting a new business together; Dave sets up a mini library stocked with a self-help book he authored.