Mim and Walt end up in jail to be questioned by Officer Randy about the situation on the roof. While Mim and Walt are there, they come up with a plan to escape and how to get back on the road to get to Mim's mom. Mim also wants to help Walt out with his family situation.
After they escape, they spot not only a familiar face form the old greyhound bus, but they also find a truck that is for sale that they want to use. They cannot buy it without a drivers license so the guy from the bus, Beck, buys the truck with Mim's money and joins their journey to Cleveland.
Along their trip, Mim purchases Cubs tickets so that Walt can see them play. Walt, Mim, and Beck have a lot of fun together and share their stories on why they are traveling.
Next, they finish Beck's mission: finding someone that he hasn't seen in a long time. His foster sister, Clair, was there and he learned that she didn't want anything to do with him anymore.
Finally, Mim finds an address to find her mom. It leads her to an addiction recovery place. She learns that her mom was the one that didn't want to see Mim. Mim is very upset and everything from her mental illness comes rushing back. Her stepmom Kathy comes top pick her up. Beck and Walt left a note at the front desk saying sorry to ditch her, but they had other things to do.
Kathy tells Mim that she is pregnant on the ride home. They explain everything to each other. Throughout the book, there are letters to a girl named Izabelle. The reader assumes that she is writing to Aunt Iz because of background info but it is then relieved that Mim is writing to her baby sister, Izabelle, named after her father's sister.