As the McKenna family struggles to express their feelings about the loss of Patrick, Uncle Terry, Patrick's twin brother, reappears in their lives. The boys are given The Dangerous Book for Boys, and Wyatt soon finds himself caught up in vivid fantasies inspired by it, and must navigate both a mission to the moon and his family's emotions.

As Beth struggles with the family's rapidly deteriorating financial situation, Tiffany and Uncle Terry try to help out in their own unique ways. Wyatt, meanwhile, travels from the Old West to the Poker World Championship as he learns the importance of when to be honest and when to bluff.