Becca, Eli, Axle, and Talia live in the deserts of Vacuo, a group of kids 18, 20, 18, and 22 respectively. For a few years, they've been living with an old man named Novin who they've come to love, despite not knowing much about his past. One day, they get some bad news that sets them on a dangerous course to uncover secrets about the history of Vacuo and their old man Novin.