Nancy tries to save her father's store from being condemned. Nate learns that he needs to give a speech to new police officers. Derek tells Nate that a joke might be the best way to get over being nervous, later he learns that telling jokes doesn't seem to work very well. As Nancy & Clint look through the city ordinance they find something odd in the ordinance that states that buildings must be 7 stories from top to bottom. The building that the city wants to build is 11 stories from top to bottom that means that the city can't build the building because it would break a water main. (thetvdb.com)