A near-accident awakens Dave's sense of civic duty, prompting him to team up with Calvin to try to improve the safety of their community; a trip to the county fair turns into a nerve-racking adventure for Malcolm, Marty and Grover.

When Calvin discovers a member of the community plans to sell to greedy developers, he vows to find a buyer closer to home instead. However, the Butlers and Johnsons soon realize that the dilapidated property will require more work than they expected.

When Tina and Gemma get more than they bargained for in a revealing art class, Calvin can't hide his jealousy and takes drastic action. Also, Dave, Marty and Malcolm team up to crack the case of an unfinished mystery novel.