John and Zack head north to Coeur d'Alene, ID where Army Veteran Newt and his wife Brooke are building a tiny home on wheels with plans to travel the country after Newt completes his sixth and final deployment. John and Zack have their hands full with an ambitious, untested design, and when Brooke's mother Jan arrives in town to throw shade on the entire project, they're challenged to keep the project on track and make Jan a believer.