School’s out, and Lucy is excited to return to the cosmic laundry room she’s discovered in her house, ready for her next space adventure. The portal opens when her mother tells Lucy stories about her work as a space scientist. Now she wants Mum to tell her about the International Space Station, in the hope that the portal will take her there. But then Dad arrives in a run-down motorhome called Madeline, and announces that the family are going on a road trip. Not only are Lucy’s space adventure plans foiled, she’s also expected to share a cramped old van with her smelly brother Zac! Will she survive and find some magic during this trip, or will sharing with Zac lead to disaster?