Barney quits his job as detective because Opie wrote a nasty poem about how there are no crimes for Barney to solve. While Andy tries to reassure him that he is an important member of the team, Opie explains what happened.
While at an amusement park, Nick explains to his son, Joey, that one needs moral flexibility in order to perform his job as a lobbyist. He then explains how to argue effectively and in a manner that results in him always being right. He demonstrates this technique in an argument with Joey in which he asserts that vanilla ice cream is the best.