During one of Apex’s routine scavenging missions Grace and Simon find themselves separated from their group. Deadset as they are on clinging to Apex’s way of life, when they end up meeting Hazel, an optimistic young girl traversing the train with her gorilla friend Tuba, it isn’t long before Grace and Simon begin to realize that there might just be another way to survive and thrive on the Infinity Train that doesn’t revolve around getting over on others.
